diff --git a/src/parser.cpp b/src/parser.cpp
index f1838a2..30ea639 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -57,7 +57,7 @@ Node parse(vector<Token> tokens) {
         ParseReturn ret = parse_instruction(tokens);
         tokens = ret.tokens;
         
-        if (get<InnerNode>(ret.node).type != NodeType::Epsilon) {
+        if (!holds_alternative<InnerNode>(ret.node) || get<InnerNode>(ret.node).type != NodeType::Epsilon) {
             InnerNode new_node = {
                 .type=NodeType::Prog,
                 .children={node, ret.node}