diff --git a/src/click.c b/src/click.c
index 340c8414..a517838a 100644
--- a/src/click.c
+++ b/src/click.c
@@ -62,12 +62,7 @@ static bool tiling_resize_for_border(Con *con, border_t border, xcb_button_press
         second = tmp;
     }
 
-    /* We modify the X/Y position in the event so that the divider line is at
-     * the actual position of the border, not at the position of the click. */
     const orientation_t orientation = ((border == BORDER_LEFT || border == BORDER_RIGHT) ? HORIZ : VERT);
-    if (orientation == HORIZ)
-        event->root_x = second->rect.x;
-    else event->root_y = second->rect.y;
 
     resize_graphical_handler(first, second, orientation, event);
 
diff --git a/src/resize.c b/src/resize.c
index cc4ba841..bacadf2e 100644
--- a/src/resize.c
+++ b/src/resize.c
@@ -102,8 +102,6 @@ bool resize_find_tiling_participants(Con **current, Con **other, direction_t dir
 int resize_graphical_handler(Con *first, Con *second, orientation_t orientation, const xcb_button_press_event_t *event) {
     DLOG("resize handler\n");
 
-    uint32_t new_position;
-
     /* TODO: previously, we were getting a rect containing all screens. why? */
     Con *output = con_get_output(first);
     DLOG("x = %d, width = %d\n", output->rect.x, output->rect.width);
@@ -122,19 +120,29 @@ int resize_graphical_handler(Con *first, Con *second, orientation_t orientation,
     xcb_window_t grabwin = create_window(conn, output->rect, XCB_COPY_FROM_PARENT, XCB_COPY_FROM_PARENT,
             XCB_WINDOW_CLASS_INPUT_ONLY, XCURSOR_CURSOR_POINTER, true, mask, values);
 
+    /* Keep track of the coordinate orthogonal to motion so we can determine
+     * the length of the resize afterward. */
+    uint32_t initial_position, new_position;
+
+    /* Configure the resizebar and snap the pointer. The resizebar runs along
+     * the rect of the second con and follows the motion of the pointer. */
     Rect helprect;
     if (orientation == HORIZ) {
-        helprect.x = event->root_x;
+        helprect.x = second->rect.x;
         helprect.y = output->rect.y;
         helprect.width = 2;
         helprect.height = output->rect.height;
-        new_position = event->root_x;
+        initial_position = second->rect.x;
+        xcb_warp_pointer(conn, XCB_NONE, event->root, 0, 0, 0, 0,
+                second->rect.x, event->root_y);
     } else {
         helprect.x = output->rect.x;
-        helprect.y = event->root_y;
+        helprect.y = second->rect.y;
         helprect.width = output->rect.width;
         helprect.height = 2;
-        new_position = event->root_y;
+        initial_position = second->rect.y;
+        xcb_warp_pointer(conn, XCB_NONE, event->root, 0, 0, 0, 0,
+                event->root_x, second->rect.y);
     }
 
     mask = XCB_CW_BACK_PIXEL;
@@ -152,8 +160,12 @@ int resize_graphical_handler(Con *first, Con *second, orientation_t orientation,
 
     xcb_flush(conn);
 
+    /* `new_position' will be updated by the `resize_callback'. */
+    new_position = initial_position;
+
     const struct callback_params params = { orientation, output, helpwin, &new_position };
 
+    /* `drag_pointer' blocks until the drag is completed. */
     drag_result_t drag_result = drag_pointer(NULL, event, grabwin, BORDER_TOP, 0, resize_callback, &params);
 
     xcb_destroy_window(conn, helpwin);
@@ -164,10 +176,7 @@ int resize_graphical_handler(Con *first, Con *second, orientation_t orientation,
     if (drag_result == DRAG_REVERT)
         return 0;
 
-    int pixels;
-    if (orientation == HORIZ)
-        pixels = (new_position - event->root_x);
-    else pixels = (new_position - event->root_y);
+    int pixels = (new_position - initial_position);
 
     DLOG("Done, pixels = %d\n", pixels);