diff --git a/debian/rules b/debian/rules
index b8b1ea0..0c9c9d0 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,6 +1,7 @@
 #!/usr/bin/make -f
 
 export DEB_BUILD_MAINT_OPTIONS=hardening=+all
+export DEB_CFLAGS_MAINT_APPEND=-std=gnu17
 
 %:
 	dh $@