diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index 97c216a5b..66d1371b6 100644
--- a/port/linux/.vscode/launch.json
+++ b/port/linux/.vscode/launch.json
@@ -19,7 +19,8 @@
                 // "--gtest_filter=thread.test1"
                 // "--gtest_filter=eventloop.test1"
                 // "--gtest_filter=parser.tuple_single"
-                "--gtest_filter=parser.split_slice"
+                // "--gtest_filter=parser.split_slice"
+                "--gtest_filter=vm.var_global_run"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
diff --git a/src/PikaVM.c b/src/PikaVM.c
index 337d0c609..0d7f1ee29 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -999,14 +999,16 @@ static Arg* VM_instruction_handler_REF(PikaObj* self,
         aRes = _obj_getProp(oHost, arg_name);
     }
 
-    /* find res in globlas */
-    if (NULL == aRes) {
-        aRes = args_getArg(vm->globals->list, arg_name);
-    }
+    /* find res in globals */
+    if (arg_path == arg_name) {
+        if (NULL == aRes) {
+            aRes = args_getArg(vm->globals->list, arg_name);
+        }
 
-    /* find res in globals prop */
-    if (NULL == aRes) {
-        aRes = _obj_getProp(vm->globals, arg_name);
+        /* find res in globals prop */
+        if (NULL == aRes) {
+            aRes = _obj_getProp(vm->globals, arg_name);
+        }
     }
 
     /* proxy */
@@ -1786,6 +1788,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
     VMParameters* oSublocals = NULL;
     VMParameters* oSublocalsInit = NULL;
     char* sRunPath = data;
+    char* sArgName = NULL;
     PikaObj* oMethodHost = NULL;
     PikaObj* oThis = NULL;
     Arg* aMethod = NULL;
@@ -1799,6 +1802,10 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
                              .try_result = TRY_RESULT_NONE};
     pika_assert(NULL != vm->run_state);
 
+    if (NULL != sRunPath) {
+        sArgName = strPointToLastToken(sRunPath, '.');
+    }
+
     /* inhert */
     if (vm->pc - 2 * (int)instructUnit_getSize() >= 0) {
         if (CLS == VMstate_getInstructWithOffset(
@@ -1823,6 +1830,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
     /* support for super() */
     if (strEqu(sRunPath, "super")) {
         sRunPath = _find_super_class_name(vm);
+        sArgName = sRunPath;
         vm->in_super = PIKA_TRUE;
         vm->super_invoke_deepth = VMState_getInvokeDeepthNow(vm);
         bSkipInit = PIKA_TRUE;
@@ -1911,16 +1919,18 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
         aMethod = obj_getMethodArg_noalloc(oMethodHost, sRunPath, &arg_reg1);
     }
 
-    /* get method in locals */
-    if (NULL == aMethod) {
-        aMethod = obj_getMethodArg_noalloc(vm->locals, sRunPath, &arg_reg1);
-    }
-
-    /* get method in global */
-    if (NULL == aMethod) {
-        aMethod = obj_getMethodArg_noalloc(vm->globals, sRunPath, &arg_reg1);
-        if (aMethod != NULL) {
-            oThis = vm->globals;
+    if (sArgName == sRunPath) {
+        /* get method in locals */
+        if (NULL == aMethod) {
+            aMethod = obj_getMethodArg_noalloc(vm->locals, sRunPath, &arg_reg1);
+        }
+        /* get method in global */
+        if (NULL == aMethod) {
+            aMethod =
+                obj_getMethodArg_noalloc(vm->globals, sRunPath, &arg_reg1);
+            if (aMethod != NULL) {
+                oThis = vm->globals;
+            }
         }
     }
 
diff --git a/test/VM-test.cpp b/test/VM-test.cpp
index a3ddeffff..f70bfb712 100644
--- a/test/VM-test.cpp
+++ b/test/VM-test.cpp
@@ -2850,6 +2850,18 @@ TEST_RUN_LINES_EXCEPT_OUTPUT(vm, single_tuple_str, "('test',)", "('test',)\r\n")
 
 TEST_RUN_SINGLE_FILE_PASS(vm, is_not, "test/python/builtin/is_not.py")
 
+TEST_RUN_LINES(vm,
+               var_global,
+               "import PikaStdLib\n"
+               "mem = PikaStdLib.MemChecker()\n"
+               "mem.clear\n")
+
+TEST_RUN_LINES(vm,
+               var_global_run,
+               "import PikaStdLib\n"
+               "mem = PikaStdLib.MemChecker()\n"
+               "mem.clear()\n")
+
 #endif
 
 TEST_END
\ No newline at end of file
diff --git a/test/test_common.h b/test/test_common.h
index 03b1a9277..d4628539a 100644
--- a/test/test_common.h
+++ b/test/test_common.h
@@ -59,7 +59,7 @@ extern char log_buff[LOG_BUFF_MAX][LOG_SIZE];
 
 #define TEST_RUN_LINES(_test_suite_, _test_name_, _lines_)                     \
   TEST(_test_suite_, _test_name_) {                                            \
-    PikaObj *self = newRootObj("root", New_PikaStdLib_SysObj);                 \
+    PikaObj *self = newRootObj("root", New_PikaMain);                          \
     obj_run(self, (_lines_)); /* collect */ /* assert */                       \
     obj_deinit(self);                                                          \
     EXPECT_EQ(pikaMemNow(), 0);                                                \