diff --git a/roles/copr/frontend/templates/httpd/coprs.conf b/roles/copr/frontend/templates/httpd/coprs.conf
index ebf6cfd472..f7193a71c3 100644
--- a/roles/copr/frontend/templates/httpd/coprs.conf
+++ b/roles/copr/frontend/templates/httpd/coprs.conf
@@ -4,7 +4,7 @@ Alias "/db_dumps/" "/var/www/html/db_dumps/"
 
 {%- macro develizer(processes, threads) %}
 {% if devel %}
-processes=1 threads={{ (threads/2) |int}}
+processes=1 threads={{ ((threads+1)/2)|int}}
 {%- else %}
 processes={{ processes }} threads={{ threads }}
 {%- endif %}