diff --git a/vt.c b/vt.c
index 34c30ca..3a2e445 100644
--- a/vt.c
+++ b/vt.c
@@ -538,9 +538,8 @@ static Row *buffer_row_prev(Buffer *b, Row *row)
 	return --row;
 }
 
-static void cursor_clamp(Vt *t)
+static void cursor_clamp(Vt *t, Buffer *b)
 {
-	Buffer *b = t->buffer;
 	Row *lines = t->relposmode ? b->scroll_top : b->lines;
 	int rows = t->relposmode ? b->scroll_bot - b->scroll_top : b->rows;
 
@@ -581,7 +580,7 @@ static void cursor_restore(Vt *t)
 	Buffer *b = t->buffer;
 	b->curs_row = b->lines + b->curs_srow;
 	b->curs_col = b->curs_scol;
-	cursor_clamp(t);
+	cursor_clamp(t, b);
 }
 
 static void attributes_save(Vt *t)
@@ -765,7 +764,7 @@ static void interpret_csi_cup(Vt *t, int param[], int pcount)
 		b->curs_col = param[1] - 1;
 	}
 
-	cursor_clamp(t);
+	cursor_clamp(t, b);
 }
 
 /* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
@@ -807,7 +806,7 @@ static void interpret_csi_c(Vt *t, char verb, int param[], int pcount)
 		break;
 	}
 
-	cursor_clamp(t);
+	cursor_clamp(t, b);
 }
 
 /* Interpret the 'erase line' escape sequence */
@@ -1479,7 +1478,8 @@ void vt_resize(Vt *t, int rows, int cols)
 	vt_noscroll(t);
 	buffer_resize(&t->buffer_normal, rows, cols);
 	buffer_resize(&t->buffer_alternate, rows, cols);
-	cursor_clamp(t);
+	cursor_clamp(t, &t->buffer_normal);
+	cursor_clamp(t, &t->buffer_alternate);
 	ioctl(t->pty, TIOCSWINSZ, &ws);
 	kill(-t->pid, SIGWINCH);
 }