diff --git a/debian/celestia-glut.desktop b/debian/celestia-glut.desktop
index 5db1c885..06c890db 100644
--- a/debian/celestia-glut.desktop
+++ b/debian/celestia-glut.desktop
@@ -8,3 +8,4 @@ Categories=Astronomy;Education;Science;
 Icon=celestia
 Exec=celestia-glut %f
 Terminal=false
+MimeType=application/x-celestia-script;
diff --git a/debian/celestia-gtk.desktop b/debian/celestia-gtk.desktop
index 1a1666f8..5820a7ff 100644
--- a/debian/celestia-gtk.desktop
+++ b/debian/celestia-gtk.desktop
@@ -8,3 +8,4 @@ Categories=Astronomy;Education;Science;
 Icon=celestia
 Exec=celestia-gtk %f
 Terminal=false
+MimeType=application/x-celestia-script;
diff --git a/debian/celestia-qt.desktop b/debian/celestia-qt.desktop
index 1a9add9a..a9f7e2a3 100644
--- a/debian/celestia-qt.desktop
+++ b/debian/celestia-qt.desktop
@@ -8,3 +8,4 @@ Categories=Astronomy;Education;Science;
 Icon=celestia
 Exec=celestia-qt %f
 Terminal=false
+MimeType=application/x-celestia-script;