diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
index 2e0b914..cee8adf 100644
--- a/kpatch-build/create-diff-object.c
+++ b/kpatch-build/create-diff-object.c
@@ -2135,7 +2135,7 @@ static bool should_keep_jump_label(struct lookup_table *lookup,
 				   unsigned int group_size,
 				   int *jump_labels_found)
 {
-	struct rela *code, *key, *rela;
+	struct rela *code = NULL, *key = NULL, *rela;
 	bool tracepoint = false, dynamic_debug = false;
 	struct lookup_result symbol;
 	int i = 0;
@@ -2156,7 +2156,7 @@ static bool should_keep_jump_label(struct lookup_table *lookup,
 		}
 	}
 
-	if (i != 3)
+	if (i != 3 || !key || !code)
 		ERROR("BUG: __jump_table has an unexpected format");
 
 	if (!strncmp(key->sym->name, "__tracepoint_", 13))