diff --git a/.drone.yml b/.drone.yml
index 54ead75..d931f4c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -36,7 +36,7 @@ steps:
       # Wait for postgres to become available
       - |
         for i in {1..20}; do
-          if pg_isready -h postgres -u postgres; then
+          if pg_isready -h postgres -U postgres; then
             exit 0
           else
             true