diff --git a/11.0/apache/Dockerfile b/11.0/apache/Dockerfile
index 47d6d37d..9a33b28a 100644
--- a/11.0/apache/Dockerfile
+++ b/11.0/apache/Dockerfile
@@ -8,6 +8,7 @@ RUN set -ex; \
         bzip2 \
         busybox-static \
     ; \
+    echo '*/15 * * * * www-data php -f /var/www/html/cron.php' > /etc/crontab; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
     \
diff --git a/11.0/fpm/Dockerfile b/11.0/fpm/Dockerfile
index f336ac4c..32e4849a 100644
--- a/11.0/fpm/Dockerfile
+++ b/11.0/fpm/Dockerfile
@@ -8,6 +8,7 @@ RUN set -ex; \
         bzip2 \
         busybox-static \
     ; \
+    echo '*/15 * * * * www-data php -f /var/www/html/cron.php' > /etc/crontab; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
     \
diff --git a/12.0/apache/Dockerfile b/12.0/apache/Dockerfile
index 72cdbb31..91e489ee 100644
--- a/12.0/apache/Dockerfile
+++ b/12.0/apache/Dockerfile
@@ -8,6 +8,7 @@ RUN set -ex; \
         bzip2 \
         busybox-static \
     ; \
+    echo '*/15 * * * * www-data php -f /var/www/html/cron.php' > /etc/crontab; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
     \
diff --git a/12.0/fpm/Dockerfile b/12.0/fpm/Dockerfile
index 7e45d565..6835f707 100644
--- a/12.0/fpm/Dockerfile
+++ b/12.0/fpm/Dockerfile
@@ -8,6 +8,7 @@ RUN set -ex; \
         bzip2 \
         busybox-static \
     ; \
+    echo '*/15 * * * * www-data php -f /var/www/html/cron.php' > /etc/crontab; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
     \
diff --git a/Dockerfile.template b/Dockerfile.template
index 1d9bf3ac..57722d80 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -8,6 +8,7 @@ RUN set -ex; \
         bzip2 \
         busybox-static \
     ; \
+    echo '*/15 * * * * www-data php -f /var/www/html/cron.php' > /etc/crontab; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
     \