diff --git a/build/cmake/policies.cmake b/build/cmake/policies.cmake
index 9c4fd224c2..668988c7c5 100644
--- a/build/cmake/policies.cmake
+++ b/build/cmake/policies.cmake
@@ -8,41 +8,41 @@
 #############################################################################
 
 if(POLICY CMP0025)
-	# Compiler id for Apple Clang is now AppleClang
-	cmake_policy(SET CMP0025 NEW)
+    # Compiler id for Apple Clang is now AppleClang
+    cmake_policy(SET CMP0025 NEW)
 endif()
 
 if(POLICY CMP0038)
-	# targets may not link directly to themselves
-	cmake_policy(SET CMP0038 NEW)
+    # targets may not link directly to themselves
+    cmake_policy(SET CMP0038 NEW)
 endif()
 
 if(POLICY CMP0045)
-	# error on non-existent target in get_target_property
-	cmake_policy(SET CMP0045 NEW)
+    # error on non-existent target in get_target_property
+    cmake_policy(SET CMP0045 NEW)
 endif()
 
 if(POLICY CMP0046)
-	# error on non-existent dependency in add_dependencies
-	cmake_policy(SET CMP0046 NEW)
+    # error on non-existent dependency in add_dependencies
+    cmake_policy(SET CMP0046 NEW)
 endif()
 
 if(POLICY CMP0049)
-	# do not expand variables in target source entries
-	cmake_policy(SET CMP0049 NEW)
+    # do not expand variables in target source entries
+    cmake_policy(SET CMP0049 NEW)
 endif()
 
 if(POLICY CMP0053)
-	# simplify variable reference and escape sequence evaluation
-	cmake_policy(SET CMP0053 NEW)
+    # simplify variable reference and escape sequence evaluation
+    cmake_policy(SET CMP0053 NEW)
 endif()
 
 if(POLICY CMP0054)
-	# only interpret if() arguments as variables or keywords when unquoted
-	cmake_policy(SET CMP0054 NEW)
+    # only interpret if() arguments as variables or keywords when unquoted
+    cmake_policy(SET CMP0054 NEW)
 endif()
 
 if(POLICY CMP0042)
-	# MACOSX_RPATH is enabled by default.
-	cmake_policy(SET CMP0042 NEW)
+    # MACOSX_RPATH is enabled by default.
+    cmake_policy(SET CMP0042 NEW)
 endif()