diff --git a/sc2/src/sc2code/libs/uio/match.c b/sc2/src/sc2code/libs/uio/match.c
index 8d18bc2a4..898ec407d 100644
--- a/sc2/src/sc2code/libs/uio/match.c
+++ b/sc2/src/sc2code/libs/uio/match.c
@@ -23,7 +23,8 @@
 #	include <stdio.h>
 #endif
 
-#include "iointrn.h"
+#define match_INTERNAL
+
 #include "match.h"
 #include "mem.h"
 #include "uioport.h"
diff --git a/sc2/src/sc2code/libs/uio/match.h b/sc2/src/sc2code/libs/uio/match.h
index 2cafc1b8d..fac4ef45d 100644
--- a/sc2/src/sc2code/libs/uio/match.h
+++ b/sc2/src/sc2code/libs/uio/match.h
@@ -73,7 +73,7 @@ void match_freeContext(match_MatchContext *context);
 
 
 /* *** Internal definitions follow *** */
-#ifdef uio_INTERNAL
+#ifdef match_INTERNAL
 
 #include <sys/types.h>
 #ifdef HAVE_REGEX
@@ -174,7 +174,7 @@ const char *match_errorStringRegex(match_RegexContext *context,
 void match_freeRegex(match_RegexContext *context);
 #endif
 
-#endif  /* uio_INTERNAL */
+#endif  /* match_INTERNAL */
 
 #endif  /* _MATCH_H */