diff --git a/Source/Base/ASAvailability.h b/Source/Base/ASAvailability.h
index 88e9e3fbe0..f420ccfbbf 100644
--- a/Source/Base/ASAvailability.h
+++ b/Source/Base/ASAvailability.h
@@ -18,15 +18,15 @@
 #endif
 
 #ifndef AS_USE_PHOTOS
-# define AS_USE_PHOTOS 0
+  #define AS_USE_PHOTOS 0
 #endif
 
 #ifndef AS_USE_MAPKIT
-# define AS_USE_MAPKIT 0
+  #define AS_USE_MAPKIT 0
 #endif
 
 #ifndef AS_USE_ASSETS_LIBRARY
-# define AS_USE_ASSETS_LIBRARY 0
+  #define AS_USE_ASSETS_LIBRARY 0
 #endif
 
 #ifndef kCFCoreFoundationVersionNumber_iOS_10_0