diff --git a/src/libslic3r/CMakeLists.txt b/src/libslic3r/CMakeLists.txt
index 6fe68e56f..5ca87717d 100644
--- a/src/libslic3r/CMakeLists.txt
+++ b/src/libslic3r/CMakeLists.txt
@@ -100,7 +100,7 @@ add_library(libslic3r STATIC
     Geometry.cpp
     Geometry.hpp
     Int128.hpp
-    KdTreeIndirect.hpp
+    KDTreeIndirect.hpp
     Layer.cpp
     Layer.hpp
     LayerRegion.cpp