diff --git a/src/plugins/python/Python.json.in b/src/plugins/python/Python.json.in
index b74b0e48633..3e62d146313 100644
--- a/src/plugins/python/Python.json.in
+++ b/src/plugins/python/Python.json.in
@@ -25,6 +25,11 @@
         \"        <comment>Python source file without console</comment>\",
         \"        <glob pattern=\'*.pyw\'/>\",
         \"    </mime-type>\",
+        \"    <mime-type type=\'text/x-python-interface\'>\",
+        \"        <sub-class-of type=\'text/x-python\'/>\",
+        \"        <comment>Python module interface file</comment>\",
+        \"        <glob pattern=\'*.pyi\'/>\",
+        \"    </mime-type>\",
         \"    <mime-type type=\'text/x-python-project\'>\",
         \"        <sub-class-of type=\'text/x-python\'/>\",
         \"        <comment>Qt Creator Python project file</comment>\",