diff --git a/modules/material_maker/nodes/bases/curve_base.h b/modules/material_maker/nodes/bases/curve_base.h
index e230d3951..42b50bc14 100644
--- a/modules/material_maker/nodes/bases/curve_base.h
+++ b/modules/material_maker/nodes/bases/curve_base.h
@@ -2,6 +2,7 @@
 #define CURVE_BASE_H
 
 #include "core/math/math_defs.h"
+#include "core/math/math_funcs.h"
 #include "core/math/vector2.h"
 #include "core/variant.h"
 #include "core/vector.h"