diff --git a/reactos/dll/win32/gdi32/misc/stubsa.c b/reactos/dll/win32/gdi32/misc/stubsa.c
index 550c8161b31..814e9dbbdcf 100644
--- a/reactos/dll/win32/gdi32/misc/stubsa.c
+++ b/reactos/dll/win32/gdi32/misc/stubsa.c
@@ -271,15 +271,37 @@ GetGlyphIndicesA(
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 UINT
 STDCALL
-GetStringBitmapA(HDC hdc,LPSTR psz,BOOL unknown,UINT cj,BYTE *lpSB)
+GetStringBitmapA(HDC hdc,
+                 LPSTR psz,
+                 BOOL DoCall,
+                 UINT cj,
+                 BYTE *lpSB)
 {
-	UNIMPLEMENTED;
-	SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-	return 0;
+
+    NTSTATUS Status;
+    PWSTR pwsz;
+    UINT retValue = 0;
+
+    if (DoCall)
+    {
+        Status = HEAP_strdupA2W ( &pwsz, psz );
+        if ( !NT_SUCCESS (Status) )
+        {
+            SetLastError (RtlNtStatusToDosError(Status));
+        }
+        else
+        {
+            retValue = NtGdiGetStringBitmapW(hdc, pwsz, 1, lpSB, cj);
+            HEAP_free ( pwsz );
+        }
+    }
+
+    return retValue;
+
 }