diff --git a/src/modules/grub/main.py b/src/modules/grub/main.py
index dde10dc8f..c073ebd5c 100644
--- a/src/modules/grub/main.py
+++ b/src/modules/grub/main.py
@@ -17,16 +17,14 @@
 #   You should have received a copy of the GNU General Public License
 #   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
 
-
 import libcalamares
 
 
 def install_grub(boot_loader):
     install_path = boot_loader["installPath"]
-    ret = libcalamares.utils.chroot_call(["grub-install", install_path])
-    assert ret == 0
-    ret = libcalamares.utils.chroot_call(["grub-mkconfig", "-o", "/boot/grub/grub.cfg"])
-    assert ret == 0
+    libcalamares.utils.check_chroot_call(["grub-install", install_path])
+    libcalamares.utils.check_chroot_call(
+            ["grub-mkconfig", "-o", "/boot/grub/grub.cfg"])
 
 
 def run():