diff --git a/reactos/subsystems/mvdm/ntvdm/hardware/sound/speaker.c b/reactos/subsystems/mvdm/ntvdm/hardware/sound/speaker.c
index 5f00b2ce56a..ef2c98dd8f1 100644
--- a/reactos/subsystems/mvdm/ntvdm/hardware/sound/speaker.c
+++ b/reactos/subsystems/mvdm/ntvdm/hardware/sound/speaker.c
@@ -51,15 +51,15 @@ MakeBeep(ULONG Frequency,
     IO_STATUS_BLOCK IoStatusBlock;
     BEEP_SET_PARAMETERS BeepSetParameters;
 
+    /* A null frequency means we stop beeping */
+    if (Frequency == 0) Duration = 0;
+
     /*
      * Do nothing if we are replaying exactly the same sound
      * (this avoids hiccups due to redoing the same beeps).
      */
     if (Frequency == LastFrequency && Duration == LastDuration) return;
 
-    /* A null frequency means we stop beeping */
-    if (Frequency == 0) Duration = 0;
-
     /*
      * For small durations we automatically reset the beep so
      * that we can replay short beeps like clicks immediately.