diff --git a/include/asterisk/module.h b/include/asterisk/module.h
index 0fe4ccf57c..075d6a376b 100644
--- a/include/asterisk/module.h
+++ b/include/asterisk/module.h
@@ -118,7 +118,7 @@ int ast_update_module_list(int (*modentry)(const char *module, const char *descr
  * \param name Module name, like "chan_sip.so"
  * \return 0 if false, 1 if true 
  */
-int ast_module_check(char *name);
+int ast_module_check(const char *name);
 
 /*! 
  * \brief Add a procedure to be run when modules have been updated.
diff --git a/main/loader.c b/main/loader.c
index d9530f4d2e..53b557f111 100644
--- a/main/loader.c
+++ b/main/loader.c
@@ -891,7 +891,7 @@ int ast_update_module_list(int (*modentry)(const char *module, const char *descr
 }
 
 /*! \brief Check if module exists */
-int ast_module_check(char *name)
+int ast_module_check(const char *name)
 {
 	struct ast_module *cur;