diff --git a/ext/readline/readline_cli.c b/ext/readline/readline_cli.c
index 31212999..d80a21c3 100644
--- a/ext/readline/readline_cli.c
+++ b/ext/readline/readline_cli.c
@@ -739,8 +739,8 @@ typedef cli_shell_callbacks_t *(__cdecl *get_cli_shell_callbacks)(void);
 	} while(0)
 
 #else
-/*
 #ifdef COMPILE_DL_READLINE
+/*
 This dlsym() is always used as even the CGI SAPI is linked against "CLI"-only
 extensions. If that is being changed dlsym() should only be used when building
 this extension sharedto offer compatibility.
@@ -754,9 +754,9 @@ this extension sharedto offer compatibility.
 			(cb) = get_callbacks(); \
 		} \
 	} while(0)
-/*#else
+#else
 #define GET_SHELL_CB(cb) (cb) = php_cli_get_shell_callbacks()
-#endif*/
+#endif
 #endif
 
 PHP_MINIT_FUNCTION(cli_readline)