diff --git a/src/Parser/Parser.cpp b/src/Parser/Parser.cpp
index 407a256..84fa1e4 100644
--- a/src/Parser/Parser.cpp
+++ b/src/Parser/Parser.cpp
@@ -262,27 +262,30 @@ namespace MalachScript::Parser {
         return true;
     }
     bool Parser::ParseScope(std::vector<Identifier>& scope, const LexToken*& currentToken) {
-        if (currentToken->GetKind() == LexTokenKind::ColonColonSymbol) {
+        const auto* current = currentToken;
+        if (current->GetKind() == LexTokenKind::ColonColonSymbol) {
             scope.emplace_back();
-            PROGRESS_TOKEN(currentToken);
+            PROGRESS_TOKEN(current);
         }
 
         Identifier identifier;
-        if (ParseIdentifier(identifier, currentToken)) {
-            const auto* n = currentToken->GetNext().get();
-            currentToken = n;
+        if (ParseIdentifier(identifier, current)) {
+            PROGRESS_TOKEN(current);
             scope.push_back(identifier);
+            if (current->GetKind() != LexTokenKind::ColonColonSymbol){
+                return false;
+            }
         } else {
             return false;
         }
 
-        while (currentToken != nullptr && currentToken->GetKind() == LexTokenKind::ColonColonSymbol) {
-            PROGRESS_TOKEN(currentToken);
-            const auto* n = currentToken;
+        while (current != nullptr && current->GetKind() == LexTokenKind::ColonColonSymbol) {
+            PROGRESS_TOKEN(current);
+            const auto* n = current;
             if (ParseIdentifier(identifier, n)) {
                 PROGRESS_TOKEN(n);
                 if (n->GetKind() == LexTokenKind::ColonColonSymbol) {
-                    currentToken = n;
+                    current = n;
                     scope.push_back(identifier);
                 } else {
                     break;
@@ -293,6 +296,7 @@ namespace MalachScript::Parser {
             }
         }
         // TODO: Handle generics in script class name.
+        currentToken = current;
         return true;
     }