diff --git a/x11/ScrollBox.c b/x11/ScrollBox.c
index feda4705..ac2ab85f 100644
--- a/x11/ScrollBox.c
+++ b/x11/ScrollBox.c
@@ -19,7 +19,7 @@
 #include <X11/StringDefs.h>
 #include <X11/Shell.h>
 
-#include "x11/ScrollBoxP.h"
+#include "ScrollBoxP.h"
 
 #include <stdio.h>
 
diff --git a/x11/ScrollBoxP.h b/x11/ScrollBoxP.h
index 4be014b3..75b60fc8 100644
--- a/x11/ScrollBoxP.h
+++ b/x11/ScrollBoxP.h
@@ -27,7 +27,7 @@
  *                                                                      *
  ************************************************************************/
 
-#include "x11/ScrollBox.h"
+#include "ScrollBox.h"
 
 #include <X11/CompositeP.h>
 
diff --git a/x11/pdcx11.h b/x11/pdcx11.h
index 00aef959..72a1f5a7 100644
--- a/x11/pdcx11.h
+++ b/x11/pdcx11.h
@@ -50,7 +50,7 @@
 # include <Xaw/Box.h>
 # include <Xaw/Scrollbar.h>
 #endif
-#include "x11/ScrollBox.h"
+#include "ScrollBox.h"
 
 #include "Xmu/StdSel.h"
 #include "Xmu/Atoms.h"