diff --git a/nextflow.config b/nextflow.config
index 6582b79628b595766fff6ace5a7048d75341bd2f..a93e247688cb46297d77ba5066e074c7568e1e12 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -255,6 +255,7 @@ profiles {
     }
     charliecloud {
         charliecloud.enabled   = true
+        docker.registry        = 'quay.io'
         conda.enabled          = false
         docker.enabled         = false
         singularity.enabled    = false