diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 16461c221ac..5562ba9c138 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-21  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/48210
+	* params.def (lto-partitions): Require at least 1 partition.
+
 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gthr-solaris.h: Remove.
diff --git a/gcc/params.def b/gcc/params.def
index e5a82e906b8..76965b8a5cf 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -868,7 +868,7 @@ DEFPARAM (PARAM_DEVIRT_TYPE_LIST_SIZE,
 DEFPARAM (PARAM_LTO_PARTITIONS,
 	  "lto-partitions",
 	  "Number of paritions program should be split to",
-	  32, 0, 0)
+	  32, 1, 0)
 
 DEFPARAM (MIN_PARTITION_SIZE,
 	  "lto-min-partition",