diff --git a/tools/cert_create/src/main.c b/tools/cert_create/src/main.c
index 2ab6bcf..f10a768 100644
--- a/tools/cert_create/src/main.c
+++ b/tools/cert_create/src/main.c
@@ -441,7 +441,8 @@
 #endif
 
 		/* First try to load the key from disk */
-		if (key_load(&keys[i], &err_code)) {
+		err_code = key_load(&keys[i]);
+		if (err_code == KEY_ERR_NONE) {
 			/* Key loaded successfully */
 			continue;
 		}