diff --git a/reactos/include/ndk/arm/ketypes.h b/reactos/include/ndk/arm/ketypes.h
index 2e63ea51fc9..93ef13ca386 100644
--- a/reactos/include/ndk/arm/ketypes.h
+++ b/reactos/include/ndk/arm/ketypes.h
@@ -352,6 +352,7 @@ typedef struct _KPRCB
     LARGE_INTEGER IoReadTransferCount;
     LARGE_INTEGER IoWriteTransferCount;
     LARGE_INTEGER IoOtherTransferCount;
+    ULONG KeContextSwitches;
     PP_LOOKASIDE_LIST PPLookasideList[16];
     PP_LOOKASIDE_LIST PPNPagedLookasideList[32];
     PP_LOOKASIDE_LIST PPPagedLookasideList[32];