diff --git a/wsclient_soap/wsclient_soap.module b/wsclient_soap/wsclient_soap.module
index daf3555..0e3c426 100644
--- a/wsclient_soap/wsclient_soap.module
+++ b/wsclient_soap/wsclient_soap.module
@@ -197,7 +197,7 @@ function wsclient_soap_parse_operations(array $operations) {
     $parts = explode('(', $operation);
     // Cut off trailing ')'.
     $param_string = substr($parts[1], 0, -1);
-    $parameters = explode(',', $param_string);
+    $parameters = explode(', ', $param_string);
     foreach ($parameters as $parameter) {
       $parts = explode(' ', $parameter);
       $param_type = $parts[0];