diff --git a/src/testdir/dumps/Test_popup_textprop_corn_1.dump b/src/testdir/dumps/Test_popup_textprop_corn_1.dump
new file mode 100644
index 0000000..ac18c99
--- /dev/null
+++ b/src/testdir/dumps/Test_popup_textprop_corn_1.dump
@@ -0,0 +1,12 @@
+|4+0&#ffffff0|5| @72
+|4|6| @72
+|4|7| @3|╔+0#0000001#ffd7ff255|═@13|╗| +0#0000000#ffffff0@52
+|4|8| @3|║+0#0000001#ffd7ff255| |b|o|t@1|o|m| |r|i|g|h|t| |║| +0#0000000#ffffff0@52
+|4|9| @3|╚+0#0000001#ffd7ff255|═@13|╝| +0#0000000#ffffff0@5| +0#0000001#ffd7ff255|b|o|t@1|o|m| |l|e|f|t| | +0#0000000#ffffff0@33
+>n|o|w| |w|o|r|k|i|n|g| |w|i|t|h| |s|o|m|e| |l+0&#5fd7ff255|o|n|g|e|r| +0&#ffffff0|t|e|x|t| |h|e|r|e| @36
+|5|1| @8| +0#0000001#ffd7ff255|t|o|p| |r|i|g|h|t| | +0#0000000#ffffff0@5|╔+0#0000001#ffd7ff255|═@9|╗| +0#0000000#ffffff0@34
+|5|2| @25|║+0#0000001#ffd7ff255| |t|o|p| |l|e|f|t| |║| +0#0000000#ffffff0@34
+|5|3| @25|╚+0#0000001#ffd7ff255|═@9|╝| +0#0000000#ffffff0@34
+|5|4| @72
+|5@1| @72
+@57|5|0|,|1| @9|4|9|%| 
diff --git a/src/testdir/dumps/Test_popup_textprop_corn_2.dump b/src/testdir/dumps/Test_popup_textprop_corn_2.dump
new file mode 100644
index 0000000..b7be5dd
--- /dev/null
+++ b/src/testdir/dumps/Test_popup_textprop_corn_2.dump
@@ -0,0 +1,12 @@
+|4+0&#ffffff0|5| @72
+|4|6| @72
+|4|7|╔+0#0000001#ffd7ff255|═@13|╗| +0#0000000#ffffff0@56
+|4|8|║+0#0000001#ffd7ff255| |b|o|t@1|o|m| |r|i|g|h|t| |║| +0#0000000#ffffff0@56
+|4|9|╚+0#0000001#ffd7ff255|═@13|╝| +0#0000000#ffffff0@5| +0#0000001#ffd7ff255|b|o|t@1|o|m| |l|e|f|t| | +0#0000000#ffffff0@37
+>w|o|r|k|i|n|g| |w|i|t|h| |s|o|m|e| |l+0&#5fd7ff255|o|n|g|e|r| +0&#ffffff0|t|e|x|t| |h|e|r|e| @40
+|5|1| @4| +0#0000001#ffd7ff255|t|o|p| |r|i|g|h|t| | +0#0000000#ffffff0@5|╔+0#0000001#ffd7ff255|═@9|╗| +0#0000000#ffffff0@38
+|5|2| @21|║+0#0000001#ffd7ff255| |t|o|p| |l|e|f|t| |║| +0#0000000#ffffff0@38
+|5|3| @21|╚+0#0000001#ffd7ff255|═@9|╝| +0#0000000#ffffff0@38
+|5|4| @72
+|5@1| @72
+@57|5|0|,|1| @9|4|9|%| 
diff --git a/src/testdir/dumps/Test_popup_textprop_corn_3.dump b/src/testdir/dumps/Test_popup_textprop_corn_3.dump
new file mode 100644
index 0000000..bd77c07
--- /dev/null
+++ b/src/testdir/dumps/Test_popup_textprop_corn_3.dump
@@ -0,0 +1,12 @@
+|4+0&#ffffff0|5| @72
+|4|6| @72
+|e|x|t|r>a| @69
+|4|7|╔+0#0000001#ffd7ff255|═@13|╗| +0#0000000#ffffff0@56
+|4|8|║+0#0000001#ffd7ff255| |b|o|t@1|o|m| |r|i|g|h|t| |║| +0#0000000#ffffff0@56
+|4|9|╚+0#0000001#ffd7ff255|═@13|╝| +0#0000000#ffffff0@5| +0#0000001#ffd7ff255|b|o|t@1|o|m| |l|e|f|t| | +0#0000000#ffffff0@37
+|w|o|r|k|i|n|g| |w|i|t|h| |s|o|m|e| |l+0&#5fd7ff255|o|n|g|e|r| +0&#ffffff0|t|e|x|t| |h|e|r|e| @40
+|5|1| @4| +0#0000001#ffd7ff255|t|o|p| |r|i|g|h|t| | +0#0000000#ffffff0@5|╔+0#0000001#ffd7ff255|═@9|╗| +0#0000000#ffffff0@38
+|5|2| @21|║+0#0000001#ffd7ff255| |t|o|p| |l|e|f|t| |║| +0#0000000#ffffff0@38
+|5|3| @21|╚+0#0000001#ffd7ff255|═@9|╝| +0#0000000#ffffff0@38
+|5|4| @72
+@57|4|7|,|5| @9|4|8|%| 
diff --git a/src/testdir/dumps/Test_popup_textprop_corn_4.dump b/src/testdir/dumps/Test_popup_textprop_corn_4.dump
new file mode 100644
index 0000000..7bf10b2
--- /dev/null
+++ b/src/testdir/dumps/Test_popup_textprop_corn_4.dump
@@ -0,0 +1,12 @@
+|4+0&#ffffff0|5| @72
+>4|6| @72
+|4|7|╔+0#0000001#ffd7ff255|═@13|╗| +0#0000000#ffffff0@56
+|4|8|║+0#0000001#ffd7ff255| |b|o|t@1|o|m| |r|i|g|h|t| |║| +0#0000000#ffffff0@56
+|4|9|╚+0#0000001#ffd7ff255|═@13|╝| +0#0000000#ffffff0@5| +0#0000001#ffd7ff255|b|o|t@1|o|m| |l|e|f|t| | +0#0000000#ffffff0@37
+|w|o|r|k|i|n|g| |w|i|t|h| |s|o|m|e| |l+0&#5fd7ff255|o|n|g|e|r| +0&#ffffff0|t|e|x|t| |h|e|r|e| @40
+|5|1| @4| +0#0000001#ffd7ff255|t|o|p| |r|i|g|h|t| | +0#0000000#ffffff0@5|╔+0#0000001#ffd7ff255|═@9|╗| +0#0000000#ffffff0@38
+|5|2| @21|║+0#0000001#ffd7ff255| |t|o|p| |l|e|f|t| |║| +0#0000000#ffffff0@38
+|5|3| @21|╚+0#0000001#ffd7ff255|═@9|╝| +0#0000000#ffffff0@38
+|5|4| @72
+|5@1| @72
+|1| |l|i|n|e| |l|e|s@1|;| |b|e|f|o|r|e| |#|3| @1|1| |s|e|c|o|n|d| |a|g|o| @20|4|6|,|1| @9|4|9|%| 
diff --git a/src/testdir/test_popupwin_textprop.vim b/src/testdir/test_popupwin_textprop.vim
index 26950de..4913815 100644
--- a/src/testdir/test_popupwin_textprop.vim
+++ b/src/testdir/test_popupwin_textprop.vim
@@ -50,5 +50,58 @@
   call delete('XtestTextpropPopup')
 endfunc
 
+func Test_textprop_popup_corners()
+  let lines =<< trim END
+	call setline(1, range(1, 100))
+	call setline(50, 'now working with some longer text here')
+	50
+	normal zz
+	set scrolloff=0
+	call prop_type_add('popupMarker', #{highlight: 'DiffAdd'})
+	call prop_add(50, 23, #{
+		\ length: 6,
+		\ type: 'popupMarker',
+		\ })
+	let winid = popup_create('bottom left', #{
+	      \ pos: 'botleft', 
+	      \ textprop: 'popupMarker',
+	      \ padding: [0,1,0,1],
+	      \ })
+	let winid = popup_create('bottom right', #{
+	      \ pos: 'botright', 
+	      \ textprop: 'popupMarker',
+	      \ border: [],
+	      \ padding: [0,1,0,1],
+	      \ })
+	let winid = popup_create('top left', #{
+	      \ pos: 'topleft', 
+	      \ textprop: 'popupMarker',
+	      \ border: [],
+	      \ padding: [0,1,0,1],
+	      \ })
+	let winid = popup_create('top right', #{
+	      \ pos: 'topright', 
+	      \ textprop: 'popupMarker',
+	      \ padding: [0,1,0,1],
+	      \ })
+  END
+  call writefile(lines, 'XtestTextpropPopupCorners')
+  let buf = RunVimInTerminal('-S XtestTextpropPopupCorners', #{rows: 12})
+  call VerifyScreenDump(buf, 'Test_popup_textprop_corn_1', {})
+
+  call term_sendkeys(buf, "0dw")
+  call VerifyScreenDump(buf, 'Test_popup_textprop_corn_2', {})
+
+  call term_sendkeys(buf, "46Goextra\<Esc>")
+  call VerifyScreenDump(buf, 'Test_popup_textprop_corn_3', {})
+
+  call term_sendkeys(buf, "u")
+  call VerifyScreenDump(buf, 'Test_popup_textprop_corn_4', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XtestTextpropPopupCorners')
+endfunc
+
 
 " vim: shiftwidth=2 sts=2