diff --git a/src/register.c b/src/register.c
index bede88b..21ed436 100644
--- a/src/register.c
+++ b/src/register.c
@@ -1960,6 +1960,8 @@
 	// adjust '] mark
 	curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1;
 	curbuf->b_op_end.col = bd.textcol + totlen - 1;
+	if (curbuf->b_op_end.col < 0)
+	    curbuf->b_op_end.col = 0;
 	curbuf->b_op_end.coladd = 0;
 	if (flags & PUT_CURSEND)
 	{
diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
index 66a44c5..a7f8ec4 100644
--- a/src/testdir/test_visual.vim
+++ b/src/testdir/test_visual.vim
@@ -483,6 +483,18 @@
   bw!
 endfunc
 
+func Test_visual_block_put_invalid()
+  enew!
+  behave mswin
+  norm yy
+  norm v)Ps/^/	
+  " this was causing the column to become negative
+  silent norm ggv)P
+
+  bwipe!
+  behave xterm
+endfunc
+
 " Visual modes (v V CTRL-V) followed by an operator; count; repeating
 func Test_visual_mode_op()
   new
diff --git a/src/version.c b/src/version.c
index dc5e401..017b311 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    765,
+/**/
     764,
 /**/
     763,