diff --git a/dlls/dplayx/dpclassfactory.c b/dlls/dplayx/dpclassfactory.c
index d14169d8412..c0842b0d0d6 100644
--- a/dlls/dplayx/dpclassfactory.c
+++ b/dlls/dplayx/dpclassfactory.c
@@ -128,7 +128,7 @@ static IClassFactoryImpl DP_and_DPL_CF = {{&DP_and_DPL_Vtbl}, 1 };
  */
 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 {
-    TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
+    TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 
     if ( IsEqualCLSID( riid, &IID_IClassFactory ) )
     {
@@ -138,6 +138,6 @@ HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
         return S_OK;
     }
 
-    ERR("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
+    ERR("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
     return CLASS_E_CLASSNOTAVAILABLE;
 }