diff --git a/Dockerfile.prod.php b/Dockerfile.prod.php
index b72042a0..89a5ba5c 100644
--- a/Dockerfile.prod.php
+++ b/Dockerfile.prod.php
@@ -37,8 +37,8 @@ RUN chmod +x /bin/ripmime \
 # Copy site into place.
 ADD php/ /var/www/cmc-sales
 ADD php/app/config/database.php /var/www/cmc-sales/app/config/database.php
-RUN mkdir /var/www/cmc-sales/app/tmp
-RUN mkdir /var/www/cmc-sales/app/tmp/logs
+RUN mkdir -p /var/www/cmc-sales/app/tmp
+RUN mkdir -p /var/www/cmc-sales/app/tmp/logs
 RUN chmod -R 755 /var/www/cmc-sales/app/tmp
 
 # Ensure CakePHP tmp directory is writable by web server