diff --git a/client/DirectFB/df_event.c b/client/DirectFB/df_event.c
index 9e53ba70c..19af30a0d 100644
--- a/client/DirectFB/df_event.c
+++ b/client/DirectFB/df_event.c
@@ -22,8 +22,8 @@
 
 #include "df_event.h"
 
-uint8 keymap[256];
-uint8 functionmap[128];
+static uint8 keymap[256];
+static uint8 functionmap[128];
 
 void df_keyboard_init()
 {
diff --git a/client/DirectFB/dfreerdp.c b/client/DirectFB/dfreerdp.c
index be008ab42..671e3c9c2 100644
--- a/client/DirectFB/dfreerdp.c
+++ b/client/DirectFB/dfreerdp.c
@@ -32,7 +32,7 @@
 
 #include "dfreerdp.h"
 
-freerdp_sem g_sem;
+static freerdp_sem g_sem;
 static int g_thread_count = 0;
 
 struct thread_data