diff --git a/gdk-pixbuf/ChangeLog b/gdk-pixbuf/ChangeLog
index b0d6ab4b4b..e180fd5e15 100644
--- a/gdk-pixbuf/ChangeLog
+++ b/gdk-pixbuf/ChangeLog
@@ -1,5 +1,8 @@
 2002-07-07  Matthias Clasen  <maclas@gmx.de>
 
+	* io-ico.c (DecodeHeader): Correct computation of image height.
+	(OneLine): Correct update notification.
+
 	Load-at-size functionality  (#53726): 
 	
 	* gdk-pixbuf-io.h (ModuleSizeFunc): New. 
diff --git a/gdk-pixbuf/io-ico.c b/gdk-pixbuf/io-ico.c
index 1a1de441e4..d39f4c92ed 100644
--- a/gdk-pixbuf/io-ico.c
+++ b/gdk-pixbuf/io-ico.c
@@ -342,7 +342,7 @@ static void DecodeHeader(guchar *Data, gint Bytes,
 		return;
 	}
 	State->Header.height =
-	    (int)(BIH[11] << 24) + (BIH[10] << 16) + (BIH[9] << 8) + (BIH[8])/2;
+	    (int)((BIH[11] << 24) + (BIH[10] << 16) + (BIH[9] << 8) + (BIH[8]))/2;
 	    /* /2 because the BIH height includes the transparency mask */
 	if (State->Header.height == 0) {
 		g_set_error (error,
@@ -797,9 +797,9 @@ static void OneLine(struct ico_progressive_state *context)
 	if (context->updated_func != NULL) {
 		(*context->updated_func) (context->pixbuf,
 					  0,
-					  context->Lines,
+					  context->Lines % context->Header.height,
 					  context->Header.width,
-					  context->Header.height,
+					  1,
 					  context->user_data);
 
 	}