diff --git a/dlls/dmstyle/chordtrack.c b/dlls/dmstyle/chordtrack.c
index cb690b04dc4..09d0bf3c9f2 100644
--- a/dlls/dmstyle/chordtrack.c
+++ b/dlls/dmstyle/chordtrack.c
@@ -140,23 +140,20 @@ static HRESULT WINAPI chord_track_SetParam(IDirectMusicTrack8 *iface, REFGUID rg
   return S_OK;
 }
 
-static HRESULT WINAPI chord_track_IsParamSupported(IDirectMusicTrack8 *iface, REFGUID rguidType)
+static HRESULT WINAPI chord_track_IsParamSupported(IDirectMusicTrack8 *iface, REFGUID type)
 {
-  IDirectMusicChordTrack *This = impl_from_IDirectMusicTrack8(iface);
-  
-  TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
+    IDirectMusicChordTrack *This = impl_from_IDirectMusicTrack8(iface);
 
-  if (!rguidType)
-    return E_POINTER;
+    TRACE("(%p, %s)\n", This, debugstr_dmguid(type));
 
-  if (IsEqualGUID (rguidType, &GUID_BandParam)
-      || IsEqualGUID (rguidType, &GUID_ChordParam)
-      || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
-    TRACE("param supported\n");
-    return S_OK;
-  }
-  TRACE("param unsupported\n");
-  return DMUS_E_TYPE_UNSUPPORTED;
+    if (!type)
+        return E_POINTER;
+
+    if (IsEqualGUID(type, &GUID_ChordParam) || IsEqualGUID(type, &GUID_RhythmParam))
+        return S_OK;
+
+    TRACE("param unsupported\n");
+    return DMUS_E_TYPE_UNSUPPORTED;
 }
 
 static HRESULT WINAPI chord_track_AddNotificationType(IDirectMusicTrack8 *iface,
diff --git a/dlls/dmstyle/tests/dmstyle.c b/dlls/dmstyle/tests/dmstyle.c
index 0c17ef3b415..6419f6f8106 100644
--- a/dlls/dmstyle/tests/dmstyle.c
+++ b/dlls/dmstyle/tests/dmstyle.c
@@ -291,7 +291,7 @@ static void test_track(void)
         unsigned int todo_params;
     } class[] = {
         { X(DirectMusicAuditionTrack), TRUE, FALSE, 0x18204200, 0x18204200 },
-        { X(DirectMusicChordTrack), TRUE, TRUE, 0x100002, 1 },
+        { X(DirectMusicChordTrack), TRUE, TRUE, 0x100002, 0 },
         { X(DirectMusicCommandTrack), TRUE, TRUE, 0x38, 0 },
         { X(DirectMusicMotifTrack), FALSE, FALSE, 0x8204200, 0 },
         { X(DirectMusicMuteTrack), TRUE, FALSE, 0x40000, 0 },
@@ -333,10 +333,9 @@ static void test_track(void)
                     ok(hr == S_OK, "IsParamSupported(%s) failed: %08x, expected S_OK\n",
                             param_types[j].name, hr);
             else
-                todo_wine_if(class[i].todo_params & (1 << j))
-                    ok(hr == DMUS_E_TYPE_UNSUPPORTED,
-                            "IsParamSupported(%s) failed: %08x, expected DMUS_E_TYPE_UNSUPPORTED\n",
-                            param_types[j].name, hr);
+                ok(hr == DMUS_E_TYPE_UNSUPPORTED,
+                        "IsParamSupported(%s) failed: %08x, expected DMUS_E_TYPE_UNSUPPORTED\n",
+                        param_types[j].name, hr);
         }
 
         if (class[i].clsid == &CLSID_DirectMusicMuteTrack) {