diff --git a/src/popupwin.c b/src/popupwin.c
index 4cc7dec..aae5465 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -2053,6 +2053,8 @@
 	    }
 	}
     }
+    else if (popup_is_notification(type))
+	tabnr = -1;  // show on all tabs
 
     // Create the window and buffer.
     wp = win_alloc_popup_win();
diff --git a/src/testdir/dumps/Test_echowindow_8.dump b/src/testdir/dumps/Test_echowindow_8.dump
new file mode 100644
index 0000000..d57d437
--- /dev/null
+++ b/src/testdir/dumps/Test_echowindow_8.dump
@@ -0,0 +1,8 @@
+| +8#0000001#e0e0e08|+| |[|N|o| |N|a|m|e|]| | +2#0000000#ffffff0|[|N|o| |N|a|m|e|]| | +1&&@49|X+8#0000001#e0e0e08
+> +0#0000000#ffffff0@74
+|~+0#4040ff13&| @73
+|═+0#e000002&@74
+|l|a|t|e|r| |m|e|s@1|a|g|e| @61
+|m|o|r|e| @70
+|:+0#0000000&|e|c|h|o|w|i|n| |'|m|o|r|e|'| @59
+@57|0|,|0|-|1| @8|A|l@1| 
diff --git a/src/testdir/test_messages.vim b/src/testdir/test_messages.vim
index 0100ba9..a32ff51 100644
--- a/src/testdir/test_messages.vim
+++ b/src/testdir/test_messages.vim
@@ -475,6 +475,10 @@
   call term_sendkeys(buf, "\<CR>")
   call VerifyScreenDump(buf, 'Test_echowindow_7', {})
 
+  call term_sendkeys(buf, ":tabnew\<CR>")
+  call term_sendkeys(buf, ":echowin 'more'\<CR>")
+  call VerifyScreenDump(buf, 'Test_echowindow_8', {})
+
   " clean up
   call StopVimInTerminal(buf)
   call delete('XtestEchowindow')
diff --git a/src/version.c b/src/version.c
index 0d7dada..d17276b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    591,
+/**/
     590,
 /**/
     589,