diff --git a/doc/fixes34.4 b/doc/fixes34.4
index 1d72589ff..fb6ec7710 100644
--- a/doc/fixes34.4
+++ b/doc/fixes34.4
@@ -355,6 +355,7 @@ kicking at "empty space" has side-effects so should use current turn
 using weapon to kill tame engulfer from inside triggered "placing defunct
 	monster onto map?" warning
 nymphs could steal carried boulders
+amnesia of object discoveries would never forget the very last one
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/read.c b/src/read.c
index b40f44aeb..9bf6b2090 100644
--- a/src/read.c
+++ b/src/read.c
@@ -526,7 +526,7 @@ forget_objects(percent)
 	randomize(indices, count);
 
 	/* forget first % of randomized indices */
-	count = ((count * percent) + 50) / 100;
+	count = ((count * percent) + rn2(100)) / 100;
 	for (i = 0; i < count; i++)
 	    forget_single_object(indices[i]);
 }