diff --git a/data/common/boot/post_install/mime_update.sh b/data/common/boot/post_install/mime_update.sh
index 7f6a741ee0..b7632468f6 100755
--- a/data/common/boot/post_install/mime_update.sh
+++ b/data/common/boot/post_install/mime_update.sh
@@ -19,3 +19,5 @@ mimeset -apps -f "$SYSTEM/preferences"
 mimeset -apps -f "$SYSTEM/servers"
 mimeset -apps -f "/boot/apps"
 
+query -f 'BEOS:APP_SIG=*' | xargs --no-run-if-empty mimeset -apps -f 
+