diff --git a/modules/src/print/format.c b/modules/src/print/format.c
index 31f1f6d4e..d040e8d6c 100644
--- a/modules/src/print/format.c
+++ b/modules/src/print/format.c
@@ -55,7 +55,7 @@ _format(buf, fmt, argp)
 			}
 			else
 			if (*pf == 'c') {
-				cbuf[0] = * (char *) pa;
+				cbuf[0] = * (int *) pa;
 				cbuf[1] = '\0';
 				pa += sizeof(int);
 				arg = &cbuf[0];