diff --git a/src/ui/notify.h b/src/ui/notify.h
index d32d69dd..df1ad77a 100644
--- a/src/ui/notify.h
+++ b/src/ui/notify.h
@@ -21,7 +21,7 @@
 #ifndef _NOTIFY_H
 #define _NOTIFY_H
 
-#include "strings.h"
+#include "ui/strings.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/ui/strings.c b/src/ui/strings.c
index e7d4ffbd..e129e911 100644
--- a/src/ui/strings.c
+++ b/src/ui/strings.c
@@ -19,7 +19,7 @@
  */
 
 #include "libopensc/internal.h"
-#include "strings.h"
+#include "ui/strings.h"
 #include <string.h>
 #include <locale.h>
 
diff --git a/src/ui/strings.h b/src/ui/strings.h
index 0cc81cf6..49dd25ee 100644
--- a/src/ui/strings.h
+++ b/src/ui/strings.h
@@ -18,8 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#ifndef _STRINGS_H
-#define _STRINGS_H
+#ifndef _SC_STRINGS_H
+#define _SC_STRINGS_H
 
 #include "libopensc/pkcs15.h"