diff --git a/etc/zebradb/etc/phrases-icu.xml b/etc/zebradb/etc/phrases-icu.xml
index 5045a49d5e..7409143db7 100644
--- a/etc/zebradb/etc/phrases-icu.xml
+++ b/etc/zebradb/etc/phrases-icu.xml
@@ -6,6 +6,7 @@
   <!-- Remove control characters except \t\n\r -->
   <transform rule="[\x00-\x08\x0B\x0C\x0E-\x1F\x7F] Any-Remove"/>
   <transform rule="[:Punctuation:] Remove"/>
+  <transform rule="[=] Remove"/>
   <transform rule="NFD"/>
   <transform rule="[:Nonspacing Mark:] Remove"/>
   <transform rule="NFC"/>
diff --git a/etc/zebradb/etc/words-icu.xml b/etc/zebradb/etc/words-icu.xml
index 2eb3e7be5f..372854a173 100644
--- a/etc/zebradb/etc/words-icu.xml
+++ b/etc/zebradb/etc/words-icu.xml
@@ -9,6 +9,7 @@
   <transliterate rule="[:Number:] { '-' > '' "/>
   <!-- Remove control characters except \t\n\r -->
   <transform rule="[\x00-\x08\x0B\x0C\x0E-\x1F\x7F] Any-Remove"/>
+  <transform rule="[=] Remove"/>
   <tokenize rule="l"/>
   <transform rule="[[:WhiteSpace:][:Punctuation:]] Remove"/>
   <transform rule="NFD"/>