diff --git a/reactos/lib/rtl/amd64/unwind.c b/reactos/lib/rtl/amd64/unwind.c
index 914317f1717..d0a4f2e9c45 100644
--- a/reactos/lib/rtl/amd64/unwind.c
+++ b/reactos/lib/rtl/amd64/unwind.c
@@ -232,7 +232,7 @@ PopReg(PCONTEXT Context, BYTE Reg)
  */
 BOOLEAN
 static
-inline
+__inline
 RtlpTryToUnwindEpilog(
     PCONTEXT Context,
     ULONG64 ImageBase,