diff --git a/debian/rules b/debian/rules
index b08a6890..c569dd6a 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,5 +1,7 @@
 #!/usr/bin/make -f
 
+export DPKG_GENSYMBOLS_CHECK_LEVEL = 2
+
 # Configuration arguments
 CONFIG_ARGS = -Dudev_rules_dir=/lib/udev/rules.d -Dgtk-examples=false