diff --git a/dlls/vbscript/tests/run.c b/dlls/vbscript/tests/run.c
index 0e6d6edf313..91c45e6c526 100644
--- a/dlls/vbscript/tests/run.c
+++ b/dlls/vbscript/tests/run.c
@@ -333,6 +333,11 @@ static void test_disp(IDispatch *disp)
     ok(id == -1, "id = %d\n", id);
     SysFreeString(str);
 
+    str = a2bstr("publicProp");
+    hres = IDispatchEx_GetDispID(dispex, str, 0x80000000|fdexNameCaseInsensitive, &public_prop_id);
+    SysFreeString(str);
+    ok(hres == S_OK, "GetDispID(publicProp) failed: %08x\n", hres);
+
     IDispatchEx_Release(dispex);
 }
 
diff --git a/dlls/vbscript/vbdisp.c b/dlls/vbscript/vbdisp.c
index 9005aa862d2..5f9d70a64f4 100644
--- a/dlls/vbscript/vbdisp.c
+++ b/dlls/vbscript/vbdisp.c
@@ -24,6 +24,8 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
 
+#define FDEX_VERSION_MASK 0xf0000000
+
 static inline BOOL is_func_id(vbdisp_t *This, DISPID id)
 {
     return id < This->desc->func_cnt;
@@ -326,6 +328,8 @@ static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DW
 
     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 
+    grfdex &= ~FDEX_VERSION_MASK;
+
     if(!This->desc)
         return E_UNEXPECTED;