diff --git a/src/standard.c b/src/standard.c
index 0c8a183..57d0cd7 100644
--- a/src/standard.c
+++ b/src/standard.c
@@ -4348,8 +4348,10 @@
 		/* Expected characters after having read an uint: '\0' or '.',
 		 * if '.', must not be terminal.
 		 */
-		if (*s != '\0'&& (*s++ != '.' || s == end))
+		if (*s != '\0'&& (*s++ != '.' || s == end)) {
+			free(n);
 			return 0;
+		}
 
 		n = my_realloc2(n, (*sz + 1) * sizeof *n);
 		if (!n)