diff --git a/io.c b/io.c
index c530c0d6af..6686026ba0 100644
--- a/io.c
+++ b/io.c
@@ -74,7 +74,7 @@
 
 #include <sys/stat.h>
 
-#if defined(HAVE_SYS_PARAM_H) || defined(__HIUX_MPP__))
+#if defined(HAVE_SYS_PARAM_H) || defined(__HIUX_MPP__)
 # include <sys/param.h>
 #endif