diff --git a/reactos/lib/rtl/amd64/stubs.c b/reactos/lib/rtl/amd64/stubs.c
index 41110aaa4d5..4327ea7e99f 100644
--- a/reactos/lib/rtl/amd64/stubs.c
+++ b/reactos/lib/rtl/amd64/stubs.c
@@ -71,7 +71,7 @@ RtlInstallFunctionTableCallback(
     PVOID Context,
     PCWSTR OutOfProcessCallbackDll)
 {
-    UNIMPLREMENTED;
+    UNIMPLEMENTED;
     return FALSE;
 }