diff --git a/thirdparty/clipper2/CMakeLists.txt b/thirdparty/clipper2/CMakeLists.txt
index bf8be03b7b..a19e1c787e 100644
--- a/thirdparty/clipper2/CMakeLists.txt
+++ b/thirdparty/clipper2/CMakeLists.txt
@@ -8,7 +8,7 @@ add_library(${target_name} STATIC
 	clipper.core.h
 	clipper.engine.cpp
 	clipper.engine.h
-	clipper_export.h
+	clipper.export.h
 	clipper.h
 	clipper.minkowski.h
 	clipper.offset.cpp