diff --git a/docker-compose.yml b/docker-compose.yml
index a0b29b3..20f5e1b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -23,13 +23,14 @@ services:
       - TRUST_PROXY=0
       - DATABASE_URL=postgresql://postgres@postgres/planka
       - SECRET_KEY=notsecretkey
+
       # related: https://github.com/knex/knex/issues/2354
       # As knex does not pass query parameters from the connection string we
       # have to use environment variables in order to pass the desired values, e.g.
-      # PGSSLMODE=<value>
+      # - PGSSLMODE=<value>
 
       # Configure knex to accept SSL certificates
-      # REJECT_UNAUTHORIZED_SSL_CERTIFICATE=false
+      # - KNEX_REJECT_UNAUTHORIZED_SSL_CERTIFICATE=false
     depends_on:
       - postgres
 
diff --git a/server/.env.sample b/server/.env.sample
index 6f649ee..9024a6b 100644
--- a/server/.env.sample
+++ b/server/.env.sample
@@ -15,7 +15,7 @@ SECRET_KEY=notsecretkey
 # PGSSLMODE=<value>
 
 # Configure knex to accept SSL certificates
-# REJECT_UNAUTHORIZED_SSL_CERTIFICATE=false
+# KNEX_REJECT_UNAUTHORIZED_SSL_CERTIFICATE=false
 
 ## Do not edit this
 
diff --git a/server/db/knexfile.js b/server/db/knexfile.js
index bb73008..fdd4a7e 100755
--- a/server/db/knexfile.js
+++ b/server/db/knexfile.js
@@ -7,7 +7,7 @@ dotenv.config({
 });
 
 function buildSSLConfig() {
-  if (process.env.REJECT_UNAUTHORIZED_SSL_CERTIFICATE === 'false') {
+  if (process.env.KNEX_REJECT_UNAUTHORIZED_SSL_CERTIFICATE === 'false') {
     return {
       rejectUnauthorized: false,
     };