diff --git a/configure b/configure
index 9ef6a0ef17..e1659c8d8e 100755
--- a/configure
+++ b/configure
@@ -3521,7 +3521,7 @@ echores "$_tga"
 
 echocheck "DirectFB headers presence"
 if test -z "$_inc_directfb" ; then
-  for I in /usr/include /usr/local/include $_inc_extra; do
+  for I in /usr/include /usr/local/include `echo $_inc_extra | sed s/-I//g`; do
     if test -d "$I/directfb" && test -f "$I/directfb/directfb.h" ; then
       _inc_directfb="-I$I/directfb"
       echores "yes (using $_inc_directfb)"