diff --git a/contrib/HighOrderMeshOptimizer/OptHOM.cpp b/contrib/HighOrderMeshOptimizer/OptHOM.cpp
index 1ea6bb6851288475d13d638d2ce02afdbd814630..b5517ddf80d067b3b3b8293596ea9187d1935a28 100644
--- a/contrib/HighOrderMeshOptimizer/OptHOM.cpp
+++ b/contrib/HighOrderMeshOptimizer/OptHOM.cpp
@@ -2,7 +2,7 @@
 #include <algorithm>
 #include "OptHomMesh.h"
 #include "OptHOM.h"
-#include "OptHOMRun.h"
+#include "OptHomRun.h"
 #include "GmshMessage.h"
 #include "GmshConfig.h"
 
diff --git a/contrib/HighOrderMeshOptimizer/OptHomRun.cpp b/contrib/HighOrderMeshOptimizer/OptHomRun.cpp
index abb960a711888c76be0f4d16d9b24755124ec245..50a99c88bbe04d9c5c60b704960e1f7fb41056d7 100644
--- a/contrib/HighOrderMeshOptimizer/OptHomRun.cpp
+++ b/contrib/HighOrderMeshOptimizer/OptHomRun.cpp
@@ -18,7 +18,7 @@
 
 #ifdef HAVE_FLTK
 #include "highOrderToolsWindow.h"
-#include "FLGui.h"
+#include "FlGui.h"
 #endif
 
 void OptHomMessage (const char *s, ...) {