diff --git a/controller.xql b/controller.xq
similarity index 96%
rename from controller.xql
rename to controller.xq
index 51a36a5..91251d3 100644
--- a/controller.xql
+++ b/controller.xq
@@ -27,7 +27,7 @@ else if (matches($exist:path, "\.(json|js|md|png|svg)$", "s")) then
 (: all other requests are passed on the Open API router :)
 else
     <dispatch xmlns="http://exist.sourceforge.net/NS/exist">
-        <forward url="{$exist:controller}/modules/api.xql">
+        <forward url="{$exist:controller}/modules/api.xq">
             <set-header name="Access-Control-Allow-Origin" value="{$allowOrigin}"/>
             { if ($allowOrigin = "*") then () else <set-header name="Access-Control-Allow-Credentials" value="true"/> }
             <set-header name="Access-Control-Allow-Methods" value="GET, POST, DELETE, PUT, PATCH, OPTIONS"/>
diff --git a/modules/api.xql b/modules/api.xq
similarity index 100%
rename from modules/api.xql
rename to modules/api.xq
diff --git a/post-install.xql b/post-install.xq
similarity index 75%
rename from post-install.xql
rename to post-install.xq
index 2e5e963..586c371 100644
--- a/post-install.xql
+++ b/post-install.xq
@@ -9,5 +9,5 @@ declare variable $dir external;
 (: the target collection into which the app is deployed :)
 declare variable $target external;
 
-sm:chgrp(xs:anyURI($target || "/modules/api.xql"), "dba"),
-sm:chmod(xs:anyURI($target || "/modules/api.xql"), "rwxr-Sr-x")
\ No newline at end of file
+sm:chgrp(xs:anyURI($target || "/modules/api.xq"), "dba"),
+sm:chmod(xs:anyURI($target || "/modules/api.xq"), "rwxr-Sr-x")
\ No newline at end of file
diff --git a/repo.xml b/repo.xml
index 9322a27..4ef1862 100644
--- a/repo.xml
+++ b/repo.xml
@@ -8,6 +8,6 @@
     <copyright>true</copyright>
     <type>application</type>
     <target>jinks</target>
-    <finish>post-install.xql</finish>
+    <finish>post-install.xq</finish>
     <permissions user="tei" group="tei" password="simple" mode="rw-rw-r--" />
 </meta>