diff --git a/lib/user-manager.sh b/lib/user-manager.sh
index 85d095a..ee42324 100755
--- a/lib/user-manager.sh
+++ b/lib/user-manager.sh
@@ -251,11 +251,11 @@ get_cpanel_user_domains() {
     local username="$1"
 
     # Primary domain (format: domain: user)
-    grep -F ": ${username}" /etc/trueuserdomains 2>/dev/null | grep -F "$username\$" 2>/dev/null | cut -d: -f1 || true
+    grep -F ": ${username}" /etc/trueuserdomains 2>/dev/null | grep "${username}$" 2>/dev/null | cut -d: -f1 || true
 
     # Addon domains
     if [ -f "/etc/userdatadomains" ]; then
-        grep -F "==${username}" /etc/userdatadomains 2>/dev/null | grep -F "$username\$" 2>/dev/null | cut -d: -f1 || true
+        grep -F "==${username}" /etc/userdatadomains 2>/dev/null | grep "${username}$" 2>/dev/null | cut -d: -f1 || true
     fi
 }