diff --git a/src/system.h b/src/system.h
index 4586ca4f0..2d7193514 100644
--- a/src/system.h
+++ b/src/system.h
@@ -337,3 +337,5 @@ char *alloca ();
 # define textdomain(Domain) /* empty */
 # define _(Text) Text
 #endif
+
+#define STREQ(a,b) (strcmp((a), (b)) == 0)