diff --git a/include/omath/mat.hpp b/include/omath/mat.hpp
index 2116cf7..6b53821 100644
--- a/include/omath/mat.hpp
+++ b/include/omath/mat.hpp
@@ -17,7 +17,7 @@
 
 
 #ifdef far
-#undef fa
+#undef far
 #endif
 
 namespace omath