diff --git a/dlls/dsound/buffer.c b/dlls/dsound/buffer.c
index b1cecd70caa..59964ec1993 100644
--- a/dlls/dsound/buffer.c
+++ b/dlls/dsound/buffer.c
@@ -898,11 +898,8 @@ static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 
 	caps->dwBufferBytes = This->buflen;
 
-	/* This value represents the speed of the "unlock" command.
-	   As unlock is quite fast (it does not do anything), I put
-	   4096 ko/s = 4 Mo / s */
-	/* FIXME: hwbuf speed */
-	caps->dwUnlockTransferRate = 4096;
+	/* According to windows, this is zero*/
+	caps->dwUnlockTransferRate = 0;
 	caps->dwPlayCpuOverhead = 0;
 
 	return DS_OK;
diff --git a/dlls/dsound/primary.c b/dlls/dsound/primary.c
index ad7a5b0f496..f2297579098 100644
--- a/dlls/dsound/primary.c
+++ b/dlls/dsound/primary.c
@@ -914,11 +914,8 @@ static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 
 	caps->dwBufferBytes = device->buflen;
 
-	/* This value represents the speed of the "unlock" command.
-	   As unlock is quite fast (it does not do anything), I put
-	   4096 ko/s = 4 Mo / s */
-	/* FIXME: hwbuf speed */
-	caps->dwUnlockTransferRate = 4096;
+	/* Windows reports these as zero */
+	caps->dwUnlockTransferRate = 0;
 	caps->dwPlayCpuOverhead = 0;
 
 	return DS_OK;