diff --git a/sda-download/dev_utils/compose-sda.yml b/sda-download/dev_utils/compose-sda.yml
index 949ed2577..fad8ca2d5 100644
--- a/sda-download/dev_utils/compose-sda.yml
+++ b/sda-download/dev_utils/compose-sda.yml
@@ -7,8 +7,9 @@ services:
       - |
         cp /origcerts/* /certs
         chown -R nobody:nobody /certs/*
+        chmod -R 644 /certs/*
         chmod -R og-rw /certs/*-key.pem
-        chown -R 70.70 /certs/db*
+        chown -R 70:70 /certs/db*
         ls -la /certs/
 
     container_name: certfixer
diff --git a/sda-download/dev_utils/compose.yml b/sda-download/dev_utils/compose.yml
index 1b9bbb100..d43b3cdea 100644
--- a/sda-download/dev_utils/compose.yml
+++ b/sda-download/dev_utils/compose.yml
@@ -8,7 +8,7 @@ services:
         chown -R nobody:nobody /certs/*
         chmod -R 644 /certs/*
         chmod -R og-rw /certs/*-key.pem
-        chown -R 70.70 /certs/db*
+        chown -R 70:70 /certs/db*
         ls -la /certs/
 
     container_name: certfixer