diff --git a/browser/installer/windows/nsis/uninstaller.nsi b/browser/installer/windows/nsis/uninstaller.nsi
index 81fb4aed047..7facaa58c31 100755
--- a/browser/installer/windows/nsis/uninstaller.nsi
+++ b/browser/installer/windows/nsis/uninstaller.nsi
@@ -65,6 +65,7 @@ Var TmpVal
 !insertmacro GetOptions
 !insertmacro GetParameters
 !insertmacro StrFilter
+!insertmacro WordFind
 !insertmacro WordReplace
 
 !insertmacro un.LineFind