diff --git a/dlls/msacm32/driver.c b/dlls/msacm32/driver.c
index 3f3896106c0..e0c5fdd90ef 100644
--- a/dlls/msacm32/driver.c
+++ b/dlls/msacm32/driver.c
@@ -168,7 +168,7 @@ MMRESULT WINAPI acmDriverAddW(PHACMDRIVERID phadid, HINSTANCE hinstModule,
         }
         break;
     default:
-        ERR("invalid flag value 0x%08x for fdwAdd\n", fdwAdd & ACM_DRIVERADDF_TYPEMASK);
+        ERR("invalid flag value 0x%08x for fdwAdd\n", fdwAdd);
         return MMSYSERR_INVALFLAG;
     }