diff --git a/reactos/dll/win32/setupapi/devclass.c b/reactos/dll/win32/setupapi/devclass.c
index e29bbc075d1..0253b753e01 100644
--- a/reactos/dll/win32/setupapi/devclass.c
+++ b/reactos/dll/win32/setupapi/devclass.c
@@ -1515,7 +1515,7 @@ SetupDiLoadClassIcon(
     {
         LPWSTR Buffer = NULL;
         LPCWSTR DllName;
-        INT iconIndex;
+        INT iconIndex = 0;
         HKEY hKey = INVALID_HANDLE_VALUE;
 
         hKey = SetupDiOpenClassRegKey(ClassGuid, KEY_QUERY_VALUE);
diff --git a/reactos/drivers/filesystems/ms/create.c b/reactos/drivers/filesystems/ms/create.c
index b88ae29e4da..13a720a4f5f 100644
--- a/reactos/drivers/filesystems/ms/create.c
+++ b/reactos/drivers/filesystems/ms/create.c
@@ -111,7 +111,7 @@ MsfsCreateMailslot(PDEVICE_OBJECT DeviceObject,
     PMSFS_CCB Ccb;
     KIRQL oldIrql;
     PLIST_ENTRY current_entry;
-    PMSFS_FCB current;
+    PMSFS_FCB current = NULL;
     PMAILSLOT_CREATE_PARAMETERS Buffer;
 
     DPRINT("MsfsCreateMailslot(DeviceObject %p Irp %p)\n", DeviceObject, Irp);