diff --git a/src/Text/Endian.cpp b/src/Text/Endian.cpp
index ae8c500..75df4a1 100644
--- a/src/Text/Endian.cpp
+++ b/src/Text/Endian.cpp
@@ -4,7 +4,7 @@ namespace hgl
 {
     bool CheckSystemEndian()
     {
-        constexpr uint16 db=0xABCD;
+        constexpr const uint16 db=0xABCD;
 
     #if HGL_ENDIAN == HGL_BIG_ENDIAN
         return(*(uint8 *)&db==0xAB);