diff --git a/src/locking/lock_driver_sanlock.c b/src/locking/lock_driver_sanlock.c
index 48c6d5694810f5b9016a7049c05a1fe1a227aece..4b48868325d7c51fde479c4496cb3f7f44eebfb8 100644
--- a/src/locking/lock_driver_sanlock.c
+++ b/src/locking/lock_driver_sanlock.c
@@ -43,6 +43,7 @@
 #include "virfile.h"
 #include "md5.h"
 #include "virconf.h"
+#include "virstring.h"
 
 #include "configmake.h"
 
diff --git a/src/storage/storage_backend_rbd.c b/src/storage/storage_backend_rbd.c
index ca23d4b0fb9f8be03b81c80b3839481319c39a70..99024e383f5800c45990b58c43edd6da32e6893d 100644
--- a/src/storage/storage_backend_rbd.c
+++ b/src/storage/storage_backend_rbd.c
@@ -30,6 +30,7 @@
 #include "virlog.h"
 #include "base64.h"
 #include "viruuid.h"
+#include "virstring.h"
 #include "rados/librados.h"
 #include "rbd/librbd.h"
 
diff --git a/src/storage/storage_backend_sheepdog.c b/src/storage/storage_backend_sheepdog.c
index dfa5673257308cfa7f1673f2b9d6bc32d56162c9..a9ee7d3a9ca2249af54f65fafd9d50fe7f9d609a 100644
--- a/src/storage/storage_backend_sheepdog.c
+++ b/src/storage/storage_backend_sheepdog.c
@@ -32,6 +32,7 @@
 #include "vircommand.h"
 #include "viralloc.h"
 #include "virlog.h"
+#include "virstring.h"
 
 #define VIR_FROM_THIS VIR_FROM_STORAGE
 
diff --git a/tests/storagebackendsheepdogtest.c b/tests/storagebackendsheepdogtest.c
index 8800acba76aaa41688b2fe171a7467b33d920dec..9b43a6d7bb96b842cccade422ce4da5b044397a1 100644
--- a/tests/storagebackendsheepdogtest.c
+++ b/tests/storagebackendsheepdogtest.c
@@ -32,6 +32,7 @@
 #include "internal.h"
 #include "testutils.h"
 #include "storage/storage_backend_sheepdog.h"
+#include "virstring.h"
 
 
 typedef struct {