diff --git a/edh-keygen.sh b/edh-keygen.sh
index 11bfa65..70ea91f 100644
--- a/edh-keygen.sh
+++ b/edh-keygen.sh
@@ -112,9 +112,9 @@ rm -rf "$tls_tmp_path"
 
 # Read and process service list
 while IFS= read -r line || [ -n "$line" ]; do
-    # Skip empty lines and lines starting with #
+    # Skip empty lines, comments and global settings (lines with '=')
     case "$line" in
-        ''|\#*) continue ;;
+        ''|\#*|*=*) continue ;;
     esac
 
     # Extract service, owner and sync parameters