diff --git a/win32ss/include/ntuser.h b/win32ss/include/ntuser.h
index 3f0449d2ee6..2b122059318 100644
--- a/win32ss/include/ntuser.h
+++ b/win32ss/include/ntuser.h
@@ -3365,6 +3365,8 @@ NtUserSetWindowLongPtr(
     DWORD Index,
     LONG_PTR NewValue,
     BOOL Ansi);
+#else
+#define NtUserSetWindowLongPtr NtUserSetWindowLong
 #endif // _WIN64
 
 BOOL
diff --git a/win32ss/user/user32/misc/imm.c b/win32ss/user/user32/misc/imm.c
index 0433e3cff0c..017e9f2e384 100644
--- a/win32ss/user/user32/misc/imm.c
+++ b/win32ss/user/user32/misc/imm.c
@@ -331,7 +331,7 @@ static HWND User32CreateImeUIWindow(PIMEUI pimeui, HKL hKL)
     }
 
     if (hwndUI)
-        NtUserSetWindowLong(hwndUI, IMMGWLP_IMC, (LONG_PTR)pimeui->hIMC, FALSE);
+        NtUserSetWindowLongPtr(hwndUI, IMMGWLP_IMC, (LONG_PTR)pimeui->hIMC, FALSE);
 
 Quit:
     IMM_FN(ImmUnlockImeDpi)(pImeDpi);
diff --git a/win32ss/user/user32/windows/class.c b/win32ss/user/user32/windows/class.c
index 376c91c3122..95b9c262315 100644
--- a/win32ss/user/user32/windows/class.c
+++ b/win32ss/user/user32/windows/class.c
@@ -1829,7 +1829,7 @@ SetWindowWord ( HWND hWnd,int nIndex,WORD wNewWord )
         }
         break;
     }
-    return NtUserSetWindowLong( hWnd, nIndex, wNewWord, FALSE );
+    return (WORD)NtUserSetWindowLongPtr(hWnd, nIndex, wNewWord, FALSE);
 }
 
 /*
@@ -1843,7 +1843,7 @@ SetWindowLongA(
   int nIndex,
   LONG dwNewLong)
 {
-    return NtUserSetWindowLong(hWnd, nIndex, dwNewLong, TRUE);
+    return (LONG)NtUserSetWindowLongPtr(hWnd, nIndex, dwNewLong, TRUE);
 }
 
 /*
@@ -1856,7 +1856,7 @@ SetWindowLongW(
   int nIndex,
   LONG dwNewLong)
 {
-    return NtUserSetWindowLong(hWnd, nIndex, dwNewLong, FALSE);
+    return (LONG)NtUserSetWindowLongPtr(hWnd, nIndex, dwNewLong, FALSE);
 }
 
 #ifdef _WIN64