diff --git a/clay.h b/clay.h
index 804d724..1261c99 100644
--- a/clay.h
+++ b/clay.h
@@ -2018,7 +2018,7 @@ void Clay__InitializePersistentMemory(Clay_Context* context) {
     context->arenaResetOffset = arena->nextAllocation;
 }
 
-float CLAY__EPSILON = 0.01;
+const float CLAY__EPSILON = 0.01;
 
 bool Clay__FloatEqual(float left, float right) {
     float subtracted = left - right;