diff --git a/src/Mod/Part/App/OpenCascadeAll.h b/src/Mod/Part/App/OpenCascadeAll.h
index 12b8aa0cce..410a370230 100644
--- a/src/Mod/Part/App/OpenCascadeAll.h
+++ b/src/Mod/Part/App/OpenCascadeAll.h
@@ -94,6 +94,7 @@
 #include <BinTools.hxx>
 #include <BinTools_ShapeSet.hxx>
 #include <BOPAlgo_ArgumentAnalyzer.hxx>
+#include <BOPAlgo_Builder.hxx>
 #include <BOPAlgo_ListOfCheckResult.hxx>
 #include <Bnd_Box.hxx>