diff --git a/Source/Modules/php.cxx b/Source/Modules/php.cxx
index bc8a92687..3cae48383 100644
--- a/Source/Modules/php.cxx
+++ b/Source/Modules/php.cxx
@@ -2597,7 +2597,8 @@ done:
       }
       Printf(w->code, "zval *%s, funcname;\n", Swig_cresult_name());
       Printf(w->code, "MAKE_STD_ZVAL(%s);\n", Swig_cresult_name());
-      Printf(w->code, "ZVAL_STRING(&funcname, (char *)\"%s\", 0);\n", GetChar(n, "sym:name"));
+      const char * funcname = GetChar(n, "sym:name");
+      Printf(w->code, "ZVAL_STRINGL(&funcname, (char *)\"%s\", %d, 0);\n", funcname, strlen(funcname));
       Append(w->code, "if (!swig_self) {\n");
       Append(w->code, "  SWIG_PHP_Error(E_ERROR, \"this pointer is NULL\");");
       Append(w->code, "}\n\n");