diff --git a/emulators/virtualbox-ose/files/patch-src_VBox_Devices_Audio_DrvHostAudioOss.cpp b/emulators/virtualbox-ose/files/patch-src_VBox_Devices_Audio_DrvHostAudioOss.cpp
--- /dev/null
+++ b/emulators/virtualbox-ose/files/patch-src_VBox_Devices_Audio_DrvHostAudioOss.cpp
@@ -0,0 +1,52 @@
+--- ./src/VBox/Devices/Audio/DrvHostAudioOss.cpp.orig	2022-02-20 08:57:20.835126000 -0600
++++ ./src/VBox/Devices/Audio/DrvHostAudioOss.cpp	2022-02-20 09:53:04.940588000 -0600
+@@ -25,6 +25,7 @@
+ #include <sys/mman.h>
+ #include <sys/soundcard.h>
+ #include <unistd.h>
++#include <stdlib.h>
+ 
+ #include <iprt/alloc.h>
+ #include <iprt/thread.h>
+@@ -112,9 +113,9 @@
+ *   Global Variables                                                                                                             *
+ *********************************************************************************************************************************/
+ /** The path to the output OSS device. */
+-static char g_szPathOutputDev[] = "/dev/dsp";
++static const char *g_szPathOutputDev = "/dev/dsp";
+ /** The path to the input OSS device. */
+-static char g_szPathInputDev[]  = "/dev/dsp";
++static const char *g_szPathInputDev  = "/dev/dsp";
+ 
+ 
+ 
+@@ -191,7 +192,7 @@
+     pBackendCfg->cMaxStreamsIn  = 0;
+     pBackendCfg->cMaxStreamsOut = 0;
+ 
+-    int hFile = open("/dev/dsp", O_WRONLY | O_NONBLOCK, 0);
++    int hFile = open(g_szPathOutputDev, O_WRONLY | O_NONBLOCK, 0);
+     if (hFile == -1)
+     {
+         /* Try opening the mixing device instead. */
+@@ -929,6 +930,7 @@
+     RT_NOREF(pCfg, fFlags);
+     PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
+     PDRVHSTAUDOSS pThis = PDMINS_2_DATA(pDrvIns, PDRVHSTAUDOSS);
++    const char *devDsp;
+     LogRel(("Audio: Initializing OSS driver\n"));
+ 
+     /*
+@@ -959,6 +961,12 @@
+     pThis->IHostAudio.pfnStreamPlay                 = drvHstAudOssHA_StreamPlay;
+     pThis->IHostAudio.pfnStreamGetReadable          = drvHstAudOssHA_StreamGetReadable;
+     pThis->IHostAudio.pfnStreamCapture              = drvHstAudOssHA_StreamCapture;
++    devDsp = getenv("VBOX_OSS_INPUT_DEVICE");
++    if (devDsp != NULL)
++	g_szPathInputDev = devDsp;
++    devDsp = getenv("VBOX_OSS_OUTPUT_DEVICE");
++    if (devDsp != NULL)
++	g_szPathOutputDev = devDsp;
+ 
+     return VINF_SUCCESS;
+ }