diff --git a/src/s/aix4.h b/src/s/aix4.h
index 6508ab60d74..8ff7a81e5cf 100644
--- a/src/s/aix4.h
+++ b/src/s/aix4.h
@@ -1,4 +1,4 @@
-#include "aix3-2-5.h"
+#include "aix3-2.h"
 
 /* AIX 4 does not have HFT any more.  */
 #undef AIXHFT