diff --git a/ChangeLog b/ChangeLog
index b76a2fbf17..ea572797b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-07-25  Michael Natterer  <mitch@gimp.org>
+
+	* app/tools/gimplevelstool.c (levels_input_area_event): Applied
+	patch from Wim Lewis which fixes major uglyness (the code was
+	rounding using sprintf() and atof() -- puke). Fixes bug #348317.
+
 2006-07-20  Sven Neumann  <sven@gimp.org>
 
 	* app/core/gimp-edit.c: formatting.
diff --git a/app/tools/gimplevelstool.c b/app/tools/gimplevelstool.c
index a366f98961..85efea3e9a 100644
--- a/app/tools/gimplevelstool.c
+++ b/app/tools/gimplevelstool.c
@@ -1022,7 +1022,6 @@ levels_input_area_event (GtkWidget      *widget,
 {
   GdkEventButton *bevent;
   GdkEventMotion *mevent;
-  gchar           text[12];
   gint            x, distance;
   gint            i;
   gboolean        update = FALSE;
@@ -1105,8 +1104,8 @@ levels_input_area_event (GtkWidget      *widget,
           tool->levels->gamma[tool->channel] = 1.0 / pow (10, tmp);
 
           /*  round the gamma value to the nearest 1/100th  */
-          sprintf (text, "%2.2f", tool->levels->gamma[tool->channel]);
-          tool->levels->gamma[tool->channel] = atof (text);
+          tool->levels->gamma[tool->channel] =
+            floor (tool->levels->gamma[tool->channel] * 100 + 0.5) / 100.0;
           break;
 
         case 2:  /*  high input  */