diff --git a/build/code_sniffer/ruleset-minimum.xml b/build/code_sniffer/ruleset-minimum.xml
index 2de1fb4be4..33d0177390 100644
--- a/build/code_sniffer/ruleset-minimum.xml
+++ b/build/code_sniffer/ruleset-minimum.xml
@@ -9,4 +9,7 @@
  <!-- All code files MUST use the Unix LF (linefeed) line ending. -->
  <rule ref="Generic.Files.LineEndings" />
 
+ <!-- Tabs MUST be used for indentation -->
+ <rule ref="Generic.WhiteSpace.DisallowSpaceIndent" />
+
 </ruleset>