diff --git a/src/rjp_object.c b/src/rjp_object.c
index 1367208..54681f9 100644
--- a/src/rjp_object.c
+++ b/src/rjp_object.c
@@ -97,8 +97,7 @@ void rjp_set_key_copy(RJP_value* dest, const char* key, RJP_index keylen){
 		keylen = 0;
 	}
 	char* newkey = rjp_alloc(keylen + 1);
-	strncpy(newkey, key, keylen);
-	newkey[keylen] = 0;
+	strncpy(newkey, key, keylen+1);
 	rjp_set_key(dest, newkey, keylen);
 }
 void rjp_set_key(RJP_value* dest, char* key, RJP_index keylen){