diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,6 +149,7 @@
     image/x-webp
     image/webp
     image/x-tga
+    application/x-krita
 )
 if (KF5KDcraw_FOUND)
     list(APPEND IMAGE_MIME_TYPES_LIST