diff --git a/modules/rostests/apitests/shell32/ExtractIconEx.cpp b/modules/rostests/apitests/shell32/ExtractIconEx.cpp
index e32f3ac34d2..29ff93d2212 100644
--- a/modules/rostests/apitests/shell32/ExtractIconEx.cpp
+++ b/modules/rostests/apitests/shell32/ExtractIconEx.cpp
@@ -22,16 +22,30 @@ EXTRACTICONTESTS IconTests[] =
     {L"%SystemRoot%\\System32\\autochk.exe", 0},
 
     /* Non-existing files */
-    {L"%SystemRoot%\\non-existent-file.sdf", 0}
+    {L"%SystemRoot%\\non-existent-file.sdf", 0},
+
+    /* Multiple icons in the same ICO file (6 icons) */
+    {L"%SystemRoot%\\bin\\sysicon.ico", 1},
+
+    /* Multiple icons in the same EXE file (18 icons) */
+    {L"%SystemRoot%\\explorer.exe", 18}
 };
 
 START_TEST(ExtractIconEx)
 {
-    UINT i, nReturnedIcons;
+    UINT i, nReturnedIcons, nExtractedIcons;
 
+    /* Check count of icons returned */
     for (i = 0; i < _countof(IconTests); ++i)
     {
-        nReturnedIcons = ExtractIconExW(IconTests[i].pszFilePath, 0, NULL, NULL, IconTests[i].nIcons);
+        nReturnedIcons = ExtractIconExW(IconTests[i].pszFilePath, -1, NULL, NULL, 0);
         ok(nReturnedIcons == IconTests[i].nIcons, "ExtractIconExW(%u): Expected %u icons, got %u\n", i, IconTests[i].nIcons, nReturnedIcons);
     }
+
+    /* Check if the 0th icon can be extracted successfully */
+    for (i = 0; i < _countof(IconTests); ++i)
+    {
+        nExtractedIcons = ExtractIconExW(IconTests[i].pszFilePath, 0, NULL, NULL, 1);
+        ok(nExtractedIcons == IconTests[i].nIcons, "ExtractIconExW(%u): Expected %u icons, got %u\n", i, IconTests[i].nIcons, nExtractedIcons);
+    }
 }
diff --git a/modules/rostests/win32/user32/sysicon/CMakeLists.txt b/modules/rostests/win32/user32/sysicon/CMakeLists.txt
index 55d70ab239d..618e74ec203 100644
--- a/modules/rostests/win32/user32/sysicon/CMakeLists.txt
+++ b/modules/rostests/win32/user32/sysicon/CMakeLists.txt
@@ -8,3 +8,4 @@ target_link_libraries(sysicon ${PSEH_LIB})
 set_module_type(sysicon win32gui UNICODE)
 add_importlibs(sysicon gdi32 user32 msvcrt kernel32)
 add_rostests_file(TARGET sysicon SUBDIR suppl)
+add_rostests_file(FILE "${CMAKE_CURRENT_SOURCE_DIR}/sysicon.ico")