diff --git a/ChangeLog b/ChangeLog
index 0e71577d14575c3313c9891a76923dad16129d48..16c3f049d283a84819939398bad653bdd455f129 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Sep  4 15:33:26 CEST 2008 Daniel Veillard <veillard@redhat.com>
+
+	* src/storage_backend_fs.c: fix a signed/unsigned issue breaking
+	  virStorageBackendProbeFile(), patch by Cole Robinson
+
 Thu Sep  4 15:18:00 CEST 2008 Daniel Veillard <veillard@redhat.com>
 
 	* src/qemu_driver.c: fix an error message, patch by Nguyen Anh Quynh
diff --git a/src/storage_backend_fs.c b/src/storage_backend_fs.c
index 63124df80ad9635a6594417e354c4008ba297771..dd4c79ce2933e352e13866a66eed980dbf49906d 100644
--- a/src/storage_backend_fs.c
+++ b/src/storage_backend_fs.c
@@ -338,7 +338,7 @@ virStorageBackendFileSystemNetPoolFormatToString(virConnectPtr conn,
 static int virStorageBackendProbeFile(virConnectPtr conn,
                                       virStorageVolDefPtr def) {
     int fd;
-    char head[4096];
+    unsigned char head[4096];
     int len, i, ret;
 
     if ((fd = open(def->target.path, O_RDONLY)) < 0) {