diff --git a/dll/win32/msi/dialog.c b/dll/win32/msi/dialog.c
index 8e4c1511081..a696e259be0 100644
--- a/dll/win32/msi/dialog.c
+++ b/dll/win32/msi/dialog.c
@@ -3230,6 +3230,9 @@ static void msi_dialog_vcl_add_drives( msi_dialog *dialog, msi_control *control
             continue;
         }
 
+        if (!GetDiskFreeSpaceExW(ptr, &free, &total, NULL))
+            goto next;
+
         lvitem.mask = LVIF_TEXT;
         lvitem.iItem = i;
         lvitem.iSubItem = 0;
@@ -3237,7 +3240,6 @@ static void msi_dialog_vcl_add_drives( msi_dialog *dialog, msi_control *control
         lvitem.cchTextMax = lstrlenW(ptr) + 1;
         SendMessageW( control->hwnd, LVM_INSERTITEMW, 0, (LPARAM)&lvitem );
 
-        GetDiskFreeSpaceExW(ptr, &free, &total, NULL);
         difference = free.QuadPart - cost;
 
         StrFormatByteSizeW(total.QuadPart, size_text, MAX_PATH);
@@ -3263,6 +3265,7 @@ static void msi_dialog_vcl_add_drives( msi_dialog *dialog, msi_control *control
         lvitem.cchTextMax = lstrlenW(size_text) + 1;
         SendMessageW( control->hwnd, LVM_SETITEMW, 0, (LPARAM)&lvitem );
 
+        next:
         ptr += lstrlenW(ptr) + 1;
         i++;
     }