diff --git a/reactos/dll/win32/syssetup/classinst.c b/reactos/dll/win32/syssetup/classinst.c
index e791e38030d..8e420255667 100644
--- a/reactos/dll/win32/syssetup/classinst.c
+++ b/reactos/dll/win32/syssetup/classinst.c
@@ -13,28 +13,28 @@
 
 DWORD WINAPI
 KeyboardClassInstaller(
-	IN DI_FUNCTION InstallFunction,
-	IN HDEVINFO DeviceInfoSet,
-	IN PSP_DEVINFO_DATA DeviceInfoData OPTIONAL)
+    IN DI_FUNCTION InstallFunction,
+    IN HDEVINFO DeviceInfoSet,
+    IN PSP_DEVINFO_DATA DeviceInfoData OPTIONAL)
 {
-	switch (InstallFunction)
-	{
-		default:
-			DPRINT("Install function %u ignored\n", InstallFunction);
-			return ERROR_DI_DO_DEFAULT;
-	}
+    switch (InstallFunction)
+    {
+        default:
+            DPRINT("Install function %u ignored\n", InstallFunction);
+            return ERROR_DI_DO_DEFAULT;
+    }
 }
 
 DWORD WINAPI
 MouseClassInstaller(
-	IN DI_FUNCTION InstallFunction,
-	IN HDEVINFO DeviceInfoSet,
-	IN PSP_DEVINFO_DATA DeviceInfoData OPTIONAL)
+    IN DI_FUNCTION InstallFunction,
+    IN HDEVINFO DeviceInfoSet,
+    IN PSP_DEVINFO_DATA DeviceInfoData OPTIONAL)
 {
-	switch (InstallFunction)
-	{
-		default:
-			DPRINT("Install function %u ignored\n", InstallFunction);
-			return ERROR_DI_DO_DEFAULT;
-	}
+    switch (InstallFunction)
+    {
+        default:
+            DPRINT("Install function %u ignored\n", InstallFunction);
+            return ERROR_DI_DO_DEFAULT;
+    }
 }