diff --git a/src/terminal/callbacks.c b/src/terminal/callbacks.c
index 0aa1968..57fee8c 100644
--- a/src/terminal/callbacks.c
+++ b/src/terminal/callbacks.c
@@ -45,6 +45,7 @@
  #include <lib3270/log.h>
  #include <lib3270/popup.h>
  #include <errno.h>
+ #include <v3270/settings.h>
 
 /*--[ Implement ]------------------------------------------------------------------------------------*/
 
diff --git a/src/terminal/charset.c b/src/terminal/charset.c
index 19a7426..498cee5 100644
--- a/src/terminal/charset.c
+++ b/src/terminal/charset.c
@@ -40,6 +40,7 @@
  #include <lib3270/charset.h>
  #include <lib3270/log.h>
  #include <v3270/dialogs.h>
+ #include <v3270/settings.h>
 
  #define ERROR_DOMAIN g_quark_from_static_string(PACKAGE_NAME)
 
diff --git a/src/terminal/properties/set.c b/src/terminal/properties/set.c
index 04894ab..812d21f 100644
--- a/src/terminal/properties/set.c
+++ b/src/terminal/properties/set.c
@@ -29,6 +29,7 @@
 
  #include "private.h"
  #include <v3270/trace.h>
+ #include <v3270/settings.h>
 
 /*--[ Implement ]------------------------------------------------------------------------------------*/
 
--
libgit2 0.21.2