diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 26f88ba5a6a1..ef5560b87144 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-04-11  Marek Polacek  <polacek@redhat.com>
+
+	PR tree-optimization/48184
+	* params.def (PARAM_ALIGN_THRESHOLD): Increase the minimum
+	value to 1.
+
 2013-04-11  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* stor-layout.c (skip_simple_constant_arithmetic): Move to...
diff --git a/gcc/params.def b/gcc/params.def
index 10fd8fab39a3..3c5265160c68 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -376,7 +376,7 @@ DEFPARAM(HOT_BB_FREQUENCY_FRACTION,
 DEFPARAM (PARAM_ALIGN_THRESHOLD,
 	  "align-threshold",
 	  "Select fraction of the maximal frequency of executions of basic block in function given basic block get alignment",
-	  100, 0, 0)
+	  100, 1, 0)
 
 DEFPARAM (PARAM_ALIGN_LOOP_ITERATIONS,
 	  "align-loop-iterations",