diff --git a/src/dsql/misc_func.cpp b/src/dsql/misc_func.cpp
index 38b6bd3513..4e0e09488b 100644
--- a/src/dsql/misc_func.cpp
+++ b/src/dsql/misc_func.cpp
@@ -36,7 +36,7 @@ const InternalInfo::InfoAttr InternalInfo::attr_array[max_internal_id] = {
 	{"INSERTING/UPDATING/DELETING", REQ_trigger}
 };
 
-char* InternalInfo::getAlias(internal_info_id info_id)
+const char* InternalInfo::getAlias(internal_info_id info_id)
 {
 	return attr_array[info_id].alias_name;
 }
diff --git a/src/dsql/misc_func.h b/src/dsql/misc_func.h
index 87766fe451..36948ddaba 100644
--- a/src/dsql/misc_func.h
+++ b/src/dsql/misc_func.h
@@ -28,12 +28,12 @@
 class InternalInfo {
 private:
 	struct InfoAttr {
-		char* alias_name;
+		const char* alias_name;
 		unsigned short req_mask;
 	};
 	static const InfoAttr attr_array[max_internal_id];
 public:
-	static char *getAlias(internal_info_id);
+	static const char* getAlias(internal_info_id);
 	static USHORT getMask(internal_info_id);
 };