diff --git a/common/tf_log.c b/common/tf_log.c
index 2d976f6..bef1739 100644
--- a/common/tf_log.c
+++ b/common/tf_log.c
@@ -61,7 +61,7 @@
 		return;
 	}
 
-	putchar('\n');
+	(void)putchar((int32_t)'\n');
 }
 
 /*