diff --git a/modules/rostests/apitests/user32/CMakeLists.txt b/modules/rostests/apitests/user32/CMakeLists.txt
index cfcae17fcee..3b99debeada 100644
--- a/modules/rostests/apitests/user32/CMakeLists.txt
+++ b/modules/rostests/apitests/user32/CMakeLists.txt
@@ -32,6 +32,7 @@ list(APPEND SOURCE
     KbdLayout.c
     keybd_event.c
     LoadImage.c
+    LoadImage1bpp.c
     LoadImageGCC.c
     LookupIconIdFromDirectoryEx.c
     MenuUI.c
@@ -71,7 +72,8 @@ list(APPEND PCH_SKIP_SOURCE
 add_executable(user32_apitest
     ${SOURCE}
     ${PCH_SKIP_SOURCE}
-    user32_apitest.rc)
+    user32_apitest.rc
+    user32_apitest_1bpp.rc)
 
 target_link_libraries(user32_apitest wine ${PSEH_LIB})
 set_module_type(user32_apitest win32cui)
diff --git a/modules/rostests/apitests/user32/LoadImage1bpp.c b/modules/rostests/apitests/user32/LoadImage1bpp.c
new file mode 100644
index 00000000000..b88e0223d09
--- /dev/null
+++ b/modules/rostests/apitests/user32/LoadImage1bpp.c
@@ -0,0 +1,118 @@
+
+#include "precomp.h"
+#include "resource_1bpp.h"
+
+START_TEST(LoadImage1bpp)
+{
+    HDC hdc1, hdc2;
+    HBITMAP hBmp1, hBmp2;
+    BITMAP bitmap1, bitmap2;
+    BITMAPINFO bmi;
+    UINT size;
+    HGLOBAL hMem;
+    LPVOID lpBits;
+    BYTE img[4 * 4] = { 0 };
+
+    hdc1 = CreateCompatibleDC(NULL);
+    hBmp1 = (HBITMAP)LoadImageW(GetModuleHandle(NULL), MAKEINTRESOURCEW(201), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
+    SelectObject(hdc1, hBmp1);
+    GetObject(hBmp1, sizeof(BITMAP), &bitmap1);
+
+    ok(bitmap1.bmBitsPixel == 1, "Should have been '1', but got '%d'\n", bitmap1.bmBitsPixel);
+    ok(bitmap1.bmWidth == 4, "Should have been '4', but got '%d'\n", bitmap1.bmWidth);
+    ok(bitmap1.bmHeight == 4, "Should have been '4', but got '%d'\n", bitmap1.bmHeight);
+
+    memset(&bmi, 0, sizeof(bmi));
+    bmi.bmiHeader.biSize        = sizeof(BITMAPINFOHEADER);
+    bmi.bmiHeader.biWidth       = bitmap1.bmWidth;
+    bmi.bmiHeader.biHeight      = bitmap1.bmHeight;
+    bmi.bmiHeader.biPlanes      = bitmap1.bmPlanes;
+    bmi.bmiHeader.biBitCount    = bitmap1.bmBitsPixel;
+    bmi.bmiHeader.biCompression = BI_RGB;
+    bmi.bmiHeader.biSizeImage   = 0;
+
+    /* Get the size of the bitmap */
+    size = ((bitmap1.bmWidth * bitmap1.bmBitsPixel + 31) / 32) * 4 * bitmap1.bmHeight;
+    ok(size == 16, "Expected 16, but size is %d\n", size);
+
+    hMem = GlobalAlloc(GMEM_MOVEABLE, size);
+    lpBits = GlobalLock(hMem);
+    GetDIBits(hdc1, hBmp1, 0, bitmap1.bmHeight, lpBits, &bmi, DIB_RGB_COLORS);
+
+    /* Get bytes from bitmap (we know its 4x4 1BPP */
+    memcpy(img, (VOID *)((INT_PTR)lpBits), 16);
+
+    ok(img[0] == 0x60, "Got 0x%02x, expected 0x60\n", img[0]);
+    ok(img[1] == 0, "Got 0x%02x, expected 0\n", img[1]);
+    ok(img[2] == 0, "Got 0x%02x, expected 0\n", img[2]);
+    ok(img[3] == 0, "Got 0x%02x, expected 0\n", img[3]);
+    ok(img[4] == 0x90, "Got 0x%02x, expected x90\n", img[4]);
+    ok(img[5] == 0, "Got 0x%02x, expected 0x60\n", img[5]);
+    ok(img[6] == 0, "Got 0x%02x, expected 0\n", img[6]);
+    ok(img[7] == 0, "Got 0x%02x, expected 0\n", img[7]);
+
+    ok(img[8] == 0x90, "Got 0x%02x, expected 0x90\n", img[8]);
+    ok(img[9] == 0, "Got 0x%02x, expected 0\n", img[9]);
+    ok(img[10] == 0, "Got 0x%02x, expected 0\n", img[10]);
+    ok(img[11] == 0, "Got 0x%02x, expected 0\n", img[11]);
+
+    ok(img[12] == 0x60, "Got 0x%02x, expected x60\n", img[12]);
+    ok(img[13] == 0, "Got 0x%02x, expected 0x60\n", img[13]);
+    ok(img[14] == 0, "Got 0x%02x, expected 0\n", img[14]);
+    ok(img[15] == 0, "Got 0x%02x, expected 0\n", img[15]);
+
+    hdc2 = CreateCompatibleDC(NULL);
+    hBmp2 = (HBITMAP)LoadImageW(GetModuleHandle(NULL), MAKEINTRESOURCEW(202), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
+    SelectObject(hdc2, hBmp2);
+    GetObject(hBmp2, sizeof(BITMAP), &bitmap2);
+    ok(bitmap2.bmBitsPixel == 1, "Should have been '1', but got %d\n", bitmap2.bmBitsPixel);
+    ok(bitmap2.bmWidth == 4, "Should have been '4', but got '%d'\n", bitmap2.bmWidth);
+    ok(bitmap2.bmHeight == 4, "Should have been '4', but got '%d'\n", bitmap2.bmHeight);
+
+    memset(&bmi, 0, sizeof(bmi));
+    bmi.bmiHeader.biSize        = sizeof(BITMAPINFOHEADER);
+    bmi.bmiHeader.biWidth       = bitmap2.bmWidth;
+    bmi.bmiHeader.biHeight      = bitmap2.bmHeight;
+    bmi.bmiHeader.biPlanes      = bitmap2.bmPlanes;
+    bmi.bmiHeader.biBitCount    = bitmap2.bmBitsPixel;
+    bmi.bmiHeader.biCompression = BI_RGB;
+    bmi.bmiHeader.biSizeImage   = 0;
+
+    /* Get the size of the bitmap */
+    size = ((bitmap2.bmWidth * bitmap2.bmBitsPixel + 31) / 32) * 4 * bitmap2.bmHeight;
+    ok(size == 16, "Expected 16, but size is %d\n", size);
+
+    GetDIBits(hdc2, hBmp2, 0, bitmap2.bmHeight, lpBits, &bmi, DIB_RGB_COLORS);
+
+    /* Clear img array for new test */
+    memset(img, 0, 16);
+
+    /* Get bytes from bitmap (we know its 4x4 1BPP */
+    memcpy(img, (VOID *)((INT_PTR)lpBits), 16);
+
+    ok(img[0] == 0x60, "Got 0x%02x, expected 0x60\n", img[0]);
+    ok(img[1] == 0, "Got 0x%02x, expected 0\n", img[1]);
+    ok(img[2] == 0, "Got 0x%02x, expected 0\n", img[2]);
+    ok(img[3] == 0, "Got 0x%02x, expected 0\n", img[3]);
+
+    ok(img[4] == 0x90, "Got 0x%02x, expected x90\n", img[4]);
+    ok(img[5] == 0, "Got 0x%02x, expected 0x60\n", img[5]);
+    ok(img[6] == 0, "Got 0x%02x, expected 0\n", img[6]);
+    ok(img[7] == 0, "Got 0x%02x, expected 0\n", img[7]);
+
+    ok(img[8] == 0x90, "Got 0x%02x, expected 0x90\n", img[8]);
+    ok(img[9] == 0, "Got 0x%02x, expected 0\n", img[9]);
+    ok(img[10] == 0, "Got 0x%02x, expected 0\n", img[10]);
+    ok(img[11] == 0, "Got 0x%02x, expected 0\n", img[11]);
+
+    ok(img[12] == 0x60, "Got 0x%02x, expected x60\n", img[12]);
+    ok(img[13] == 0, "Got 0x%02x, expected 0x60\n", img[13]);
+    ok(img[14] == 0, "Got 0x%02x, expected 0\n", img[14]);
+    ok(img[15] == 0, "Got 0x%02x, expected 0\n", img[15]);
+
+    GlobalUnlock(hMem);
+    GlobalFree(hMem);
+    DeleteDC(hdc1);
+    DeleteDC(hdc2);
+
+}
diff --git a/modules/rostests/apitests/user32/resource_1bpp.h b/modules/rostests/apitests/user32/resource_1bpp.h
new file mode 100644
index 00000000000..53b9b4d47f2
--- /dev/null
+++ b/modules/rostests/apitests/user32/resource_1bpp.h
@@ -0,0 +1,3 @@
+
+#define BPP1_TEST 201
+#define BPP2_TEST 202
diff --git a/modules/rostests/apitests/user32/testlist.c b/modules/rostests/apitests/user32/testlist.c
index f613ac0b090..76773975ad3 100644
--- a/modules/rostests/apitests/user32/testlist.c
+++ b/modules/rostests/apitests/user32/testlist.c
@@ -32,6 +32,7 @@ extern void func_InitializeLpkHooks(void);
 extern void func_KbdLayout(void);
 extern void func_keybd_event(void);
 extern void func_LoadImage(void);
+extern void func_LoadImage1bpp(void);
 extern void func_LoadImageGCC(void);
 extern void func_LookupIconIdFromDirectoryEx(void);
 extern void func_MenuUI(void);
@@ -97,6 +98,7 @@ const struct test winetest_testlist[] =
     { "KbdLayout", func_KbdLayout },
     { "keybd_event", func_keybd_event },
     { "LoadImage", func_LoadImage },
+    { "LoadImage1bpp", func_LoadImage1bpp },
     { "LoadImageGCC", func_LoadImageGCC },
     { "LookupIconIdFromDirectoryEx", func_LookupIconIdFromDirectoryEx },
     { "MenuUI", func_MenuUI },
diff --git a/modules/rostests/apitests/user32/user32_apitest_1bpp.rc b/modules/rostests/apitests/user32/user32_apitest_1bpp.rc
new file mode 100644
index 00000000000..5eb68c477ad
--- /dev/null
+++ b/modules/rostests/apitests/user32/user32_apitest_1bpp.rc
@@ -0,0 +1,9 @@
+#include <windef.h>
+#include <winuser.h>
+#include <dlgs.h>
+#include "resource_1bpp.h"
+
+LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
+
+BPP1_TEST BITMAP "bpp1a.bmp"
+BPP2_TEST BITMAP "bpp1b.bmp"