diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 0767c66490367bc475878deb6f76b0f5f591ef85..1880bd386eed35c2314c26f34828390aa5f8dabf 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1419,7 +1419,7 @@ qemuBuildDriveSourceStr(virDomainDiskDefPtr disk,
     }
     virBufferAddLit(buf, ",");
 
-    if (disk->src &&
+    if (disk->src->type == VIR_STORAGE_TYPE_NETWORK &&
         disk->src->protocol == VIR_STORAGE_NET_PROTOCOL_GLUSTER) {
         if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_GLUSTER_DEBUG_LEVEL))
             virBufferAsprintf(buf, "file.debug=%d,", cfg->glusterDebugLevel);