diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 6f82c551d..7c44a856c 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -4405,10 +4405,12 @@ void Tokenizer::setVarIdClassFunction(const std::string &classname,
                                       std::map<nonneg int, std::map<std::string, nonneg int>>& structMembers,
                                       nonneg int &varId_)
 {
+    const auto pos = classname.rfind(' '); // TODO handle multiple scopes
+    const std::string lastScope = classname.substr(pos == std::string::npos ? 0 : pos + 1);
     for (Token *tok2 = startToken; tok2 && tok2 != endToken; tok2 = tok2->next()) {
         if (tok2->varId() != 0 || !tok2->isName())
             continue;
-        if (Token::Match(tok2->tokAt(-2), ("!!" + classname + " ::").c_str()))
+        if (Token::Match(tok2->tokAt(-2), ("!!" + lastScope + " ::").c_str()))
             continue;
         if (Token::Match(tok2->tokAt(-4), "%name% :: %name% ::")) // Currently unsupported
             continue;
diff --git a/test/testvarid.cpp b/test/testvarid.cpp
index fd8050a4d..e289f87ef 100644
--- a/test/testvarid.cpp
+++ b/test/testvarid.cpp
@@ -145,6 +145,7 @@ private:
         TEST_CASE(varid_namespace_3);   // #8627
         TEST_CASE(varid_namespace_4);
         TEST_CASE(varid_namespace_5);
+        TEST_CASE(varid_namespace_6);
         TEST_CASE(varid_initList);
         TEST_CASE(varid_initListWithBaseTemplate);
         TEST_CASE(varid_initListWithScope);
@@ -2200,6 +2201,29 @@ private:
                       "9: }\n", tokenize(code, "test.cpp"));
     }
 
+    void varid_namespace_6() {
+        const char code[] = "namespace N {\n" // #12077
+                            "    namespace O {\n"
+                            "        U::U(int* map) : id(0) {\n"
+                            "            this->p = map;\n"
+                            "        }\n"
+                            "        void U::f() {\n"
+                            "            std::map<Vec2i, int>::iterator iter;\n"
+                            "        }\n"
+                            "    }\n"
+                            "}";
+        ASSERT_EQUALS("1: namespace N {\n"
+                      "2: namespace O {\n"
+                      "3: U :: U ( int * map@1 ) : id ( 0 ) {\n"
+                      "4: this . p = map@1 ;\n"
+                      "5: }\n"
+                      "6: void U :: f ( ) {\n"
+                      "7: std :: map < Vec2i , int > :: iterator iter@2 ;\n"
+                      "8: }\n"
+                      "9: }\n"
+                      "10: }\n", tokenize(code, "test.cpp"));
+    }
+
     void varid_initList() {
         const char code1[] = "class A {\n"
                              "  A() : x(0) {}\n"