diff --git a/src/file/fileexcludefilters.cpp b/src/file/fileexcludefilters.cpp
--- a/src/file/fileexcludefilters.cpp
+++ b/src/file/fileexcludefilters.cpp
@@ -176,6 +176,9 @@
     "application/ld+json",
     "application/x-ipynb+json", // Jupyter notebooks
 
+    // Not really source code, but inherited from text/plain
+    "application/pgp-encrypted", // pgp encrypted, with or without ASCII Armor
+
     // end of list
     nullptr
 };