diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 2f003cfe340e..25b8f4f040c0 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -598,7 +598,7 @@ static char *string_nocheck(char *buf, char *end, const char *s,
 			    struct printf_spec spec)
 {
 	int len = 0;
-	size_t lim = spec.precision;
+	int lim = spec.precision;
 
 	while (lim--) {
 		char c = *s++;