diff --git a/0004-leap-gnu18-removal.patch b/0004-leap-gnu18-removal.patch
new file mode 100644
index 0000000..7ae0bc4
--- /dev/null
+++ b/0004-leap-gnu18-removal.patch
@@ -0,0 +1,11 @@
+--- cockpit/src/Makefile.am.orig
++++ cockpit/src/Makefile.am
+@@ -44,7 +44,7 @@
+ 	$(NULL)
+ 
+ AM_CFLAGS = \
+-	-std=gnu18 \
++	-std=gnu11 \
+ 	-pthread \
+ 	-Wall \
+ 	-Werror=strict-prototypes \
diff --git a/cockpit.changes b/cockpit.changes
index ebc3017..6d13abf 100644
--- a/cockpit.changes
+++ b/cockpit.changes
@@ -5,7 +5,7 @@ Mon Jul 17 12:19:27 UTC 2023 - Adam Majer <adam.majer@suse.de>
   - https://cockpit-project.org/blog/cockpit-296.html
   - https://cockpit-project.org/blog/cockpit-295.html
   - https://cockpit-project.org/blog/cockpit-294.html
-- added support for Leap thanks to Lubos
+- 0004-leap-gnu18-removal.patch: added support for Leap thanks to Lubos
 
 -------------------------------------------------------------------
 Tue Jun 13 12:39:20 UTC 2023 - Adam Majer <adam.majer@suse.de>