diff --git a/src/BOPTest/BOPTest_HistoryCommands.cxx b/src/BOPTest/BOPTest_HistoryCommands.cxx
index 131e215ee5..a983e79bc4 100644
--- a/src/BOPTest/BOPTest_HistoryCommands.cxx
+++ b/src/BOPTest/BOPTest_HistoryCommands.cxx
@@ -12,7 +12,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#include <BOPTest.ixx>
+#include <BOPTest.hxx>
 //
 #include <Draw.hxx>
 #include <DBRep.hxx>