diff --git a/src/combined/internal.h b/src/combined/internal.h
index 7061e4c..7d36eff 100644
--- a/src/combined/internal.h
+++ b/src/combined/internal.h
@@ -2,6 +2,6 @@
 #define WEPOLL_INTERNAL_H_
 
 #define WEPOLL_INTERNAL static
-#define WEPOLL_INTERNAL_EXTERN static
+#define WEPOLL_INTERNAL_VAR static
 
 #endif /* WEPOLL_INTERNAL_H_ */
diff --git a/src/nt.h b/src/nt.h
index 8659100..4dd130a 100644
--- a/src/nt.h
+++ b/src/nt.h
@@ -136,7 +136,7 @@ typedef struct _OBJECT_ATTRIBUTES {
     (HANDLE handle, PVOID key, BOOLEAN alertable, PLARGE_INTEGER mstimeout))
 
 #define X(return_type, attributes, name, parameters) \
-  WEPOLL_INTERNAL_EXTERN return_type(attributes* name) parameters;
+  WEPOLL_INTERNAL_VAR return_type(attributes* name) parameters;
 NTDLL_IMPORT_LIST(X)
 #undef X
 
diff --git a/src/regular/internal.h b/src/regular/internal.h
index 6a108ac..95d51b6 100644
--- a/src/regular/internal.h
+++ b/src/regular/internal.h
@@ -2,6 +2,6 @@
 #define WEPOLL_INTERNAL_H_
 
 #define WEPOLL_INTERNAL
-#define WEPOLL_INTERNAL_EXTERN extern
+#define WEPOLL_INTERNAL_VAR extern
 
 #endif /* WEPOLL_INTERNAL_H_ */