diff --git a/src/adaptions.h b/src/adaptions.h
index d5bc633..eebcf88 100644
--- a/src/adaptions.h
+++ b/src/adaptions.h
@@ -6,7 +6,7 @@
 
 #include "simulation/Simulation.h"
 #include "simulation/Beat.h"
-#include "simulation/math.h"
+#include "simulation/Math.h"
 
 BOOST_FUSION_ADAPT_STRUCT(
 	::math::Vec2,