diff --git a/src/charset.c b/src/charset.c
index a795984..1604952 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1212,6 +1212,7 @@
 #endif
 		    }
 		    cts->cts_cur_text_width += cells;
+		    cts->cts_start_incl = tp->tp_flags & TP_FLAG_START_INCL;
 		    size += cells;
 		    if (*s == TAB)
 		    {
@@ -1585,7 +1586,9 @@
 	else
 	{
 #ifdef FEAT_PROP_POPUP
-	    if ((State & MODE_INSERT) == 0 && !on_NUL)
+	    // in Insert mode, if "start_incl" is true the text gets inserted
+	    // after the virtual text, thus add its width
+	    if (((State & MODE_INSERT) == 0 || cts.cts_start_incl) && !on_NUL)
 		// cursor is after inserted text, unless on the NUL
 		vcol += cts.cts_cur_text_width;
 #endif
diff --git a/src/structs.h b/src/structs.h
index fcc9c79..fb56e01 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -815,6 +815,8 @@
 
 #define TP_FLAG_WRAP		0x40	// virtual text wraps - when missing
 					// text is truncated
+#define TP_FLAG_START_INCL	0x80	// "start_incl" copied from proptype
+
 #define PROP_TEXT_MIN_CELLS	4	// minimun number of cells to use for
 					// the text, even when truncating
 
@@ -4587,6 +4589,7 @@
     int         cts_cur_text_width;     // width of current inserted text
     int		cts_with_trailing;	// include size of trailing props with
 					// last character
+    int		cts_start_incl;		// prop has true "start_incl" arg
 #endif
     int		cts_vcol;	    // virtual column at current position
 } chartabsize_T;
diff --git a/src/testdir/dumps/Test_prop_insert_start_incl_1.dump b/src/testdir/dumps/Test_prop_insert_start_incl_1.dump
new file mode 100644
index 0000000..deb67d5
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_insert_start_incl_1.dump
@@ -0,0 +1,8 @@
+|t+0&#ffffff0|e|x|t| |a+0#4040ff13&|f|t|e|r| >o+0#0000000&|n|e| |t|e|x|t| |b+0#4040ff13&|e|f|o|r|e| |t+0#0000000&|w|o| @29
+|~+0#4040ff13&| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+| +0#0000000&@41|1|,|6|-|1|2| @7|A|l@1| 
diff --git a/src/testdir/dumps/Test_prop_insert_start_incl_2.dump b/src/testdir/dumps/Test_prop_insert_start_incl_2.dump
new file mode 100644
index 0000000..73cf648
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_insert_start_incl_2.dump
@@ -0,0 +1,8 @@
+|t+0&#ffffff0|e|x|t| |a+0#4040ff13&|f|t|e|r| >o+0#0000000&|n|e| |t|e|x|t| |b+0#4040ff13&|e|f|o|r|e| |t+0#0000000&|w|o| @29
+|~+0#4040ff13&| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|-+2#0000000&@1| |I|N|S|E|R|T| |-@1| +0&&@29|1|,|6|-|1|2| @7|A|l@1| 
diff --git a/src/testdir/dumps/Test_prop_insert_start_incl_3.dump b/src/testdir/dumps/Test_prop_insert_start_incl_3.dump
new file mode 100644
index 0000000..cc4de01
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_insert_start_incl_3.dump
@@ -0,0 +1,8 @@
+|t+0&#ffffff0|e|x|t| |a+0#4040ff13&|f|t|e|r| |x+0#0000000&>x|o|n|e| |t|e|x|t| |b+0#4040ff13&|e|f|o|r|e| |t+0#0000000&|w|o| @27
+|~+0#4040ff13&| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+| +0#0000000&@41|1|,|7|-|1|3| @7|A|l@1| 
diff --git a/src/testdir/dumps/Test_prop_insert_start_incl_4.dump b/src/testdir/dumps/Test_prop_insert_start_incl_4.dump
new file mode 100644
index 0000000..75e2580
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_insert_start_incl_4.dump
@@ -0,0 +1,8 @@
+|t+0&#ffffff0|e|x|t| |a+0#4040ff13&|f|t|e|r| |x+0#0000000&@1|o|n|e| |t|e|x|t| >b+0#4040ff13&|e|f|o|r|e| |t+0#0000000&|w|o| @27
+|~+0#4040ff13&| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|-+2#0000000&@1| |I|N|S|E|R|T| |-@1| +0&&@29|1|,|1|7|-|2|3| @6|A|l@1| 
diff --git a/src/testdir/dumps/Test_prop_insert_start_incl_5.dump b/src/testdir/dumps/Test_prop_insert_start_incl_5.dump
new file mode 100644
index 0000000..5cbee12
--- /dev/null
+++ b/src/testdir/dumps/Test_prop_insert_start_incl_5.dump
@@ -0,0 +1,8 @@
+|t+0&#ffffff0|e|x|t| |a+0#4040ff13&|f|t|e|r| |x+0#0000000&@1|o|n|e| |t|e|x|t| |y>y|b+0#4040ff13&|e|f|o|r|e| |t+0#0000000&|w|o| @25
+|~+0#4040ff13&| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+|~| @58
+| +0#0000000&@41|1|,|1|8|-|2|4| @6|A|l@1| 
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index b702340..2e72db9 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -2914,4 +2914,35 @@
   bwipe!
 enddef
 
+func Test_insert_text_start_incl()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+      vim9script
+      setline(1, 'text one text two')
+
+      prop_type_add('propincl', {highlight: 'NonText', start_incl: true})
+      prop_add(1, 6, {type: 'propincl', text: 'after '})
+      cursor(1, 6)
+      prop_type_add('propnotincl', {highlight: 'NonText', start_incl: false})
+      prop_add(1, 15, {type: 'propnotincl', text: 'before '})
+  END
+  call writefile(lines, 'XscriptPropsStartIncl')
+  let buf = RunVimInTerminal('-S XscriptPropsStartIncl', #{rows: 8, cols: 60})
+  call VerifyScreenDump(buf, 'Test_prop_insert_start_incl_1', {})
+
+  call term_sendkeys(buf, "i")
+  call VerifyScreenDump(buf, 'Test_prop_insert_start_incl_2', {})
+  call term_sendkeys(buf, "xx\<Esc>")
+  call VerifyScreenDump(buf, 'Test_prop_insert_start_incl_3', {})
+
+  call term_sendkeys(buf, "2wi")
+  call VerifyScreenDump(buf, 'Test_prop_insert_start_incl_4', {})
+  call term_sendkeys(buf, "yy\<Esc>")
+  call VerifyScreenDump(buf, 'Test_prop_insert_start_incl_5', {})
+
+  call StopVimInTerminal(buf)
+  call delete('XscriptPropsStartIncl')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/textprop.c b/src/textprop.c
index 88156c2..e2de731 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -294,7 +294,9 @@
 	tmp_prop.tp_type = type->pt_id;
 	tmp_prop.tp_flags = text_flags
 			    | (lnum > start_lnum ? TP_FLAG_CONT_PREV : 0)
-			    | (lnum < end_lnum ? TP_FLAG_CONT_NEXT : 0);
+			    | (lnum < end_lnum ? TP_FLAG_CONT_NEXT : 0)
+			    | ((type->pt_flags & PT_FLAG_INS_START_INCL)
+						     ? TP_FLAG_START_INCL : 0);
 	mch_memmove(newprops + i * sizeof(textprop_T), &tmp_prop,
 							   sizeof(textprop_T));
 
diff --git a/src/version.c b/src/version.c
index 3b5193f..7769ccb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    205,
+/**/
     204,
 /**/
     203,