diff --git a/src/getchar.c b/src/getchar.c
index ddb23dd..ff03905 100644
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -844,6 +844,14 @@
 	if (c >= '1' && c < '9')
 	    ++c;
 	add_char_buff(&readbuf2, c);
+
+	/* the expression register should be re-evaluated */
+	if (c == '=')
+	{
+	    add_char_buff(&readbuf2, CAR);
+	    cmd_silent = TRUE;
+	}
+
 	c = read_redo(FALSE, old_redo);
     }
 
diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index 18c7f4e..0a23a43 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -45,3 +45,16 @@
   bw!
   call setreg('a', a[0], a[1])
 endfunc
+
+func Test_put_expr()
+  new
+  call setline(1, repeat(['A'], 6))
+  exec "1norm! \"=line('.')\<cr>p"
+  norm! j0.
+  norm! j0.
+  exec "4norm! \"=\<cr>P"
+  norm! j0.
+  norm! j0.
+  call assert_equal(['A1','A2','A3','4A','5A','6A'], getline(1,'$'))
+  bw!
+endfunc
diff --git a/src/version.c b/src/version.c
index 3208eca..0cfe61a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    22,
+/**/
     21,
 /**/
     20,