diff --git a/cat/virt-cat.c b/cat/virt-cat.c
index 834d490cf..dca9ef49f 100644
--- a/cat/virt-cat.c
+++ b/cat/virt-cat.c
@@ -23,6 +23,7 @@
 #include <inttypes.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <locale.h>
 #include <assert.h>
 
 #include "progname.h"
diff --git a/cat/virt-filesystems.c b/cat/virt-filesystems.c
index 7eca9ebcd..c6d52aceb 100644
--- a/cat/virt-filesystems.c
+++ b/cat/virt-filesystems.c
@@ -24,6 +24,7 @@
 #include <inttypes.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <locale.h>
 #include <assert.h>
 
 #include "c-ctype.h"
diff --git a/cat/virt-ls.c b/cat/virt-ls.c
index 315fb1ff5..e2700d238 100644
--- a/cat/virt-ls.c
+++ b/cat/virt-ls.c
@@ -24,6 +24,7 @@
 #include <unistd.h>
 #include <getopt.h>
 #include <fcntl.h>
+#include <locale.h>
 #include <assert.h>
 
 #include "progname.h"
diff --git a/df/main.c b/df/main.c
index 174692f9e..3421d90c9 100644
--- a/df/main.c
+++ b/df/main.c
@@ -24,6 +24,7 @@
 #include <inttypes.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <locale.h>
 #include <assert.h>
 
 #ifdef HAVE_LIBVIRT
diff --git a/inspector/virt-inspector.c b/inspector/virt-inspector.c
index fda97874f..e7db5b9b3 100644
--- a/inspector/virt-inspector.c
+++ b/inspector/virt-inspector.c
@@ -23,6 +23,7 @@
 #include <inttypes.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <locale.h>
 #include <assert.h>
 
 #include <libxml/xmlIO.h>
diff --git a/rescue/virt-rescue.c b/rescue/virt-rescue.c
index 58be96bd1..018924555 100644
--- a/rescue/virt-rescue.c
+++ b/rescue/virt-rescue.c
@@ -24,6 +24,7 @@
 #include <unistd.h>
 #include <getopt.h>
 #include <errno.h>
+#include <locale.h>
 #include <assert.h>
 
 #include "progname.h"