diff --git a/src/sim/guest_abi/varargs.hh b/src/sim/guest_abi/varargs.hh
index 41e3c623f9..6a19db806d 100644
--- a/src/sim/guest_abi/varargs.hh
+++ b/src/sim/guest_abi/varargs.hh
@@ -26,7 +26,7 @@
  */
 
 #ifndef __SIM_GUEST_ABI_VARARGS_HH__
-#define __SIM_GUEST_ABI_VARRAGS_HH__
+#define __SIM_GUEST_ABI_VARARGS_HH__
 
 #include <memory>
 #include <sstream>