diff --git a/contrib/truenas/rules b/contrib/truenas/rules
index 59bc9be023..2b79ce4b68 100644
--- a/contrib/truenas/rules
+++ b/contrib/truenas/rules
@@ -26,6 +26,7 @@ endif
 
 override_dh_auto_configure:
 	dh_auto_configure -- \
+		--enable-debuginfo \
 		--with-linux=/usr/src/${src} \
 		--with-linux-obj=/usr/src/${obj}