diff --git a/dev-tools/idea/.idea/compiler.xml b/dev-tools/idea/.idea/compiler.xml
index 9106e68d83e..e71c5af4db3 100644
--- a/dev-tools/idea/.idea/compiler.xml
+++ b/dev-tools/idea/.idea/compiler.xml
@@ -9,6 +9,7 @@
       <entry name="?*.brk" />
       <entry name="?*.bz2" />
       <entry name="?*.csv" />
+      <entry name="?*.docx"/>
       <entry name="?*.dtd" />
       <entry name="?*.ftl" />
       <entry name="?*.gif" />