diff --git a/src/sbbs3/chksmb.c b/src/sbbs3/chksmb.c
index 8b70127a8d4023b361d261b81a8bc14561bb5e76..17747b915cefdf6034f507dfdef8d775799285b4 100644
--- a/src/sbbs3/chksmb.c
+++ b/src/sbbs3/chksmb.c
@@ -55,7 +55,7 @@
 char *ultoac(ulong l, char *string)
 {
 	char str[256];
-	size_t i,j,k;
+	int i,j,k;
 
 	SAFEPRINTF(str,"%lu",l);
 	i=strlen(str)-1;