diff --git a/CDT/extras/InitializeWithGrid.h b/CDT/extras/InitializeWithGrid.h
index 21d60296..1a920f98 100644
--- a/CDT/extras/InitializeWithGrid.h
+++ b/CDT/extras/InitializeWithGrid.h
@@ -11,8 +11,8 @@
 #ifndef CDT_HmXGv083vZCrT3OXASD9
 #define CDT_HmXGv083vZCrT3OXASD9
 
-#include "CDT.h"
-#include "CDTUtils.h"
+#include <CDT.h>
+#include <CDTUtils.h>
 
 #ifdef CDT_CXX11_IS_SUPPORTED
 #include <algorithm>
diff --git a/CDT/extras/VerifyTopology.h b/CDT/extras/VerifyTopology.h
index f4387033..f3694afd 100644
--- a/CDT/extras/VerifyTopology.h
+++ b/CDT/extras/VerifyTopology.h
@@ -10,7 +10,7 @@
 #ifndef CDT_Zahj4kpHLwFgkKtcOI1i
 #define CDT_Zahj4kpHLwFgkKtcOI1i
 
-#include "CDT.h"
+#include <CDT.h>
 
 #include <algorithm>