1 files changed, 1 insertions, 0 deletions
diff --git a/gas/gasp.c b/gas/gasp.c
index c15ab64..11eb97e 100644
--- a/gas/gasp.c
+++ b/gas/gasp.c
@@ -34,6 +34,7 @@ suitable for gas to consume.
 
 
 #include <stdio.h>
+#include <ctype.h>
 #include "host.h"
 
 #define MAX_INCLUDES 30		/* Maximum include depth */