diff --git a/q931.c b/q931.c
index 8bf3f44..6114d25 100755
--- a/q931.c
+++ b/q931.c
@@ -1526,7 +1526,7 @@ static char *ie2str(int ie)
 	}
 }	
 
-static inline int ielen(q931_ie *ie)
+static inline unsigned int ielen(q931_ie *ie)
 {
 	if ((ie->ie & 0x80) != 0)
 		return 1;