diff --git a/debian/rules b/debian/rules
index 530b31b..8b36727 100755
--- a/debian/rules
+++ b/debian/rules
@@ -10,6 +10,11 @@
 	dh_auto_install --builddirectory=build/
 	# Move the configuration file from /etc to /usr/share
 	mv debian/pnm2ppa/etc/pnm2ppa.conf debian/pnm2ppa/usr/share/pnm2ppa/
+
+override_dh_install:
+	dh_install
+	# Make sure update-magicfilters is executable
+	chmod +x debian/pnm2ppa/usr/share/pnm2ppa/update-magicfilter
 
 override_dh_installdocs: 
 	dh_installdocs