diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index afa2b4b54a0..871017cf489 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -2775,9 +2775,10 @@ static HRESULT bind_event_target(script_ctx_t *ctx, function_code_t *func, jsdis
     return hres;
 }
 
-static HRESULT setup_scope(script_ctx_t *ctx, call_frame_t *frame, unsigned argc, jsval_t *argv)
+static HRESULT setup_scope(script_ctx_t *ctx, call_frame_t *frame, scope_chain_t *scope_chain, jsdisp_t *variable_object, unsigned argc, jsval_t *argv)
 {
     const unsigned orig_stack = ctx->stack_top;
+    scope_chain_t *scope;
     unsigned i;
     jsval_t v;
     HRESULT hres;
@@ -2822,14 +2823,21 @@ static HRESULT setup_scope(script_ctx_t *ctx, call_frame_t *frame, unsigned argc
 
     frame->pop_variables = i;
 
+    hres = scope_push(scope_chain, variable_object, to_disp(variable_object), &scope);
+    if(FAILED(hres)) {
+        stack_popn(ctx, ctx->stack_top - orig_stack);
+        return hres;
+    }
+
     for(i = 0; i < frame->function->func_cnt; i++) {
         if(frame->function->funcs[i].name && !frame->function->funcs[i].event_target) {
             jsdisp_t *func_obj;
             unsigned off;
 
-            hres = create_source_function(ctx, frame->bytecode, frame->function->funcs+i, frame->base_scope, &func_obj);
+            hres = create_source_function(ctx, frame->bytecode, frame->function->funcs+i, scope, &func_obj);
             if(FAILED(hres)) {
                 stack_popn(ctx, ctx->stack_top - orig_stack);
+                scope_release(scope);
                 return hres;
             }
 
@@ -2839,7 +2847,8 @@ static HRESULT setup_scope(script_ctx_t *ctx, call_frame_t *frame, unsigned argc
         }
     }
 
-    frame->base_scope->frame = frame;
+    scope->frame = frame;
+    frame->base_scope = frame->scope = scope;
     return S_OK;
 }
 
@@ -2915,17 +2924,15 @@ HRESULT exec_source(script_ctx_t *ctx, DWORD flags, bytecode_t *bytecode, functi
     frame->argc = argc;
     frame->bytecode = bytecode_addref(bytecode);
 
-    if(scope) {
-        frame->base_scope = frame->scope = scope_addref(scope);
-
-        if(!(flags & (EXEC_GLOBAL|EXEC_EVAL))) {
-            hres = setup_scope(ctx, frame, argc, argv);
-            if(FAILED(hres)) {
-                release_bytecode(frame->bytecode);
-                heap_free(frame);
-                return hres;
-            }
+    if(!(flags & (EXEC_GLOBAL|EXEC_EVAL))) {
+        hres = setup_scope(ctx, frame, scope, variable_obj, argc, argv);
+        if(FAILED(hres)) {
+            release_bytecode(frame->bytecode);
+            heap_free(frame);
+            return hres;
         }
+    }else if(scope) {
+        frame->base_scope = frame->scope = scope_addref(scope);
     }
 
     frame->ip = function->instr_off;
diff --git a/dlls/jscript/function.c b/dlls/jscript/function.c
index 704d2efe41b..03d5cadbc20 100644
--- a/dlls/jscript/function.c
+++ b/dlls/jscript/function.c
@@ -233,7 +233,6 @@ static HRESULT invoke_source(script_ctx_t *ctx, FunctionInstance *function, IDis
         BOOL is_constructor, BOOL caller_execs_source, jsval_t *r)
 {
     jsdisp_t *var_disp;
-    scope_chain_t *scope;
     DWORD exec_flags = 0;
     HRESULT hres;
 
@@ -251,19 +250,14 @@ static HRESULT invoke_source(script_ctx_t *ctx, FunctionInstance *function, IDis
     if(FAILED(hres))
         return hres;
 
-    hres = scope_push(function->scope_chain, var_disp, to_disp(var_disp), &scope);
-    jsdisp_release(var_disp);
-    if(FAILED(hres))
-        return hres;
-
     if(caller_execs_source)
         exec_flags |= EXEC_RETURN_TO_INTERP;
     if(is_constructor)
         exec_flags |= EXEC_CONSTRUCTOR;
-    hres = exec_source(ctx, exec_flags, function->code, function->func_code, scope, this_obj,
-            &function->dispex, scope->jsobj, argc, argv, r);
+    hres = exec_source(ctx, exec_flags, function->code, function->func_code, function->scope_chain, this_obj,
+            &function->dispex, var_disp, argc, argv, r);
 
-    scope_release(scope);
+    jsdisp_release(var_disp);
     return hres;
 }