diff --git a/fcore/normal-mode/make-normal-delete.sml b/fcore/normal-mode/make-normal-delete.sml
index 7fd438a..041a8e9 100644
--- a/fcore/normal-mode/make-normal-delete.sml
+++ b/fcore/normal-mode/make-normal-delete.sml
@@ -343,7 +343,9 @@ struct
         end
     end
 
-  fun deleteLine (app: app_type, count, time) =
+  fun deleteLine (app: app_type, count, time) = raise Fail "todo: reimplement"
+
+  fun deleteLineDown (app: app_type, count, time) =
     let
       val {buffer, cursorIdx, searchString, ...} = app
       val buffer = LineGap.goToIdx (cursorIdx, buffer)
@@ -356,7 +358,7 @@ struct
           LineGap.idxToLineNumber (cursorIdx + 1, buffer)
         else
           LineGap.idxToLineNumber (cursorIdx + 1, buffer)
-      val endLine = startLine + count
+      val endLine = startLine + count + 1
 
       val buffer = LineGap.goToLine (endLine, buffer)
       val endLineIdx = LineGap.lineNumberToIdx (endLine, buffer)
diff --git a/fcore/normal-mode/normal-mode.sml b/fcore/normal-mode/normal-mode.sml
index e8268a7..434732a 100644
--- a/fcore/normal-mode/normal-mode.sml
+++ b/fcore/normal-mode/normal-mode.sml
@@ -256,7 +256,7 @@ struct
        * but 'dj' or 'dk' delete whole lines
        * so their implementation differs from
        * other cursor motions *)
-      | #"j" => NormalDelete.deleteLine (app, count + 1, time)
+      | #"j" => NormalDelete.deleteLineDown (app, count, time)
       | #"k" => NormalDelete.deleteLineBack (app, count, time)
       | #"w" => NormalDelete.deleteByDfa (app, count, Cursor.nextWord, time)
       | #"W" => NormalDelete.deleteByDfa (app, count, Cursor.nextWORD, time)
@@ -352,7 +352,7 @@ struct
        * but 'dj' or 'dk' delete whole lines
        * so their implementation differs from
        * other cursor motions *)
-      | #"j" => NormalYankDelete.deleteLine (app, count + 1, time)
+      | #"j" => NormalYankDelete.deleteLineDown (app, count, time)
       | #"k" => NormalYankDelete.deleteLineBack (app, count, time)
       | #"w" => NormalYankDelete.deleteByDfa (app, count, Cursor.nextWord, time)
       | #"W" => NormalYankDelete.deleteByDfa (app, count, Cursor.nextWORD, time)