diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
index 9c70d56aa5a..79d1720a084 100644
--- a/dlls/kernel32/kernel32.spec
+++ b/dlls/kernel32/kernel32.spec
@@ -835,7 +835,7 @@
 @ stdcall OpenMutexA(long long str)
 @ stdcall OpenMutexW(long long wstr)
 @ stdcall OpenProcess(long long long)
-@ stub OpenProfileUserMapping
+@ stdcall OpenProfileUserMapping()
 @ stdcall OpenSemaphoreA(long long str)
 @ stdcall OpenSemaphoreW(long long wstr)
 @ stdcall OpenThread(long long long)
diff --git a/dlls/kernel32/profile.c b/dlls/kernel32/profile.c
index 8fe83bb2a03..e0b709c51df 100644
--- a/dlls/kernel32/profile.c
+++ b/dlls/kernel32/profile.c
@@ -1849,6 +1849,15 @@ void WINAPI WriteOutProfiles16(void)
     RtlLeaveCriticalSection( &PROFILE_CritSect );
 }
 
+/***********************************************************************
+ *           OpenProfileUserMapping   (KERNEL32.@)
+ */
+BOOL WINAPI OpenProfileUserMapping(void) {
+    FIXME("(), stub!\n");
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return FALSE;
+}
+
 /***********************************************************************
  *           CloseProfileUserMapping   (KERNEL32.@)
  */