diff --git a/reactos/ntoskrnl/io/pnpmgr.c b/reactos/ntoskrnl/io/pnpmgr.c
index e508ff2f863..60e5b137677 100644
--- a/reactos/ntoskrnl/io/pnpmgr.c
+++ b/reactos/ntoskrnl/io/pnpmgr.c
@@ -60,7 +60,7 @@ IoGetDeviceProperty(
 {
   PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
   ULONG Length;
-  PVOID Data;
+  PVOID Data = NULL;
   PWSTR Ptr;
 
   DPRINT("IoGetDeviceProperty(%x %d)\n", DeviceObject, DeviceProperty);