diff --git a/reactos/drivers/storage/ide/uniata/ntddk_ex.h b/reactos/drivers/storage/ide/uniata/ntddk_ex.h
index 1c74fca7f21..6949845b4c0 100644
--- a/reactos/drivers/storage/ide/uniata/ntddk_ex.h
+++ b/reactos/drivers/storage/ide/uniata/ntddk_ex.h
@@ -93,7 +93,11 @@ typedef enum _SYSTEM_INFORMATION_CLASS {
     SystemProcessorPowerInformation,
     SystemEmulationBasicInformation,
     SystemEmulationProcessorInformation,
+#ifdef __REACTOS__
+    SystemExtendedHandleInformation,
+#else // Typo!
     SystemExtendedHanfleInformation,
+#endif
     SystemLostDelayedWriteInformation,
     SystemBigPoolInformation,
     SystemSessionPoolTagInformation,
diff --git a/reactos/sdk/include/ndk/extypes.h b/reactos/sdk/include/ndk/extypes.h
index 0833f32f78b..c2478c96123 100644
--- a/reactos/sdk/include/ndk/extypes.h
+++ b/reactos/sdk/include/ndk/extypes.h
@@ -278,7 +278,7 @@ typedef enum _SYSTEM_INFORMATION_CLASS
     SystemProcessorPowerInformation,
     SystemEmulationBasicInformation,
     SystemEmulationProcessorInformation,
-    SystemExtendedHanfleInformation,
+    SystemExtendedHandleInformation,
     SystemLostDelayedWriteInformation,
     SystemBigPoolInformation,
     SystemSessionPoolTagInformation,