diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 8fe7325fc..7726d0347 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.06 - 
 =============================
+  Increase dmsetup line buffer to 4k.
 
 Version 1.02.05 - 19 Apr 2006
 =============================
diff --git a/tools/dmsetup.c b/tools/dmsetup.c
index fcf0b9495..80170c41f 100644
--- a/tools/dmsetup.c
+++ b/tools/dmsetup.c
@@ -74,7 +74,7 @@ extern char *optarg;
 #  define MKDEV(x,y) makedev((x),(y))
 #endif
 
-#define LINE_SIZE 1024
+#define LINE_SIZE 4096
 #define ARGS_MAX 256
 
 #define err(msg, x...) fprintf(stderr, msg "\n", ##x)