diff --git a/src/debugger/cli-debugger.c b/src/debugger/cli-debugger.c
index 6d5b70e97..95b2037dc 100644
--- a/src/debugger/cli-debugger.c
+++ b/src/debugger/cli-debugger.c
@@ -615,7 +615,7 @@ static struct ParseTree* _parseTree(const char** string) {
 	struct ParseTree* tree = NULL;
 	if (!error) {
 		tree = parseTreeCreate();
-		parseLexedExpression(tree, &lv);
+		error = !parseLexedExpression(tree, &lv);
 	}
 	lexFree(&lv);
 	LexVectorClear(&lv);