diff --git a/events.c b/events.c
index 42f9805..5ff1fb7 100644
--- a/events.c
+++ b/events.c
@@ -309,8 +309,8 @@ void focus_in(xcb_generic_event_t *evt)
 
 void button_press(xcb_generic_event_t *evt)
 {
-    xcb_button_press_event_t *e = (xcb_button_press_event_t *) evt;
-    switch (e->detail) {
+	xcb_button_press_event_t *e = (xcb_button_press_event_t *) evt;
+	switch (e->detail) {
 		case XCB_BUTTON_INDEX_1:
 			if (click_to_focus && cleaned_mask(e->state) == XCB_NONE) {
 				xcb_allow_events(dpy, XCB_ALLOW_REPLAY_POINTER, e->time);
diff --git a/history.c b/history.c
index 8195600..7da76f7 100644
--- a/history.c
+++ b/history.c
@@ -105,8 +105,8 @@ void history_swap_desktops(monitor_t *m1, desktop_t *d1, monitor_t *m2, desktop_
 
 void history_remove(desktop_t *d, node_t *n, bool deep)
 {
-   /* removing from the newest to the oldest is required */
-   /* for maintaining the *latest* attribute */
+	/* removing from the newest to the oldest is required */
+	/* for maintaining the *latest* attribute */
 	history_t *b = history_tail;
 	while (b != NULL) {
 		if ((n != NULL && ((deep && is_descendant(b->loc.node, n)) || (!deep && b->loc.node == n))) ||
diff --git a/tree.c b/tree.c
index 6b2c3b7..6807ab4 100644
--- a/tree.c
+++ b/tree.c
@@ -842,14 +842,14 @@ node_t *nearest_neighbor(monitor_t *m, desktop_t *d, node_t *n, direction_t dir,
 	if (history_aware_focus) {
 		nearest = nearest_from_history(m, d, n, dir, sel);
 	}
-    if (nearest == NULL) {
-        if (focus_by_distance) {
-            nearest = nearest_from_distance(m, d, n, dir, sel);
-        } else {
-            nearest = nearest_from_tree(m, d, n, dir, sel);
-        }
-    }
-    return nearest;
+	if (nearest == NULL) {
+		if (focus_by_distance) {
+			nearest = nearest_from_distance(m, d, n, dir, sel);
+		} else {
+			nearest = nearest_from_tree(m, d, n, dir, sel);
+		}
+	}
+	return nearest;
 }
 
 /* returns *true* if *a* is a child of *b* */
@@ -907,23 +907,23 @@ node_t *find_by_id_in(node_t *r, uint32_t id)
 
 node_t *nearest_from_tree(monitor_t *m, desktop_t *d, node_t *n, direction_t dir, node_select_t sel)
 {
-    if (n == NULL) {
-        return NULL;
-    }
+	if (n == NULL) {
+		return NULL;
+	}
 
-    node_t *fence = find_fence(n, dir);
+	node_t *fence = find_fence(n, dir);
 
-    if (fence == NULL) {
-        return NULL;
-    }
+	if (fence == NULL) {
+		return NULL;
+	}
 
-    node_t *nearest = NULL;
+	node_t *nearest = NULL;
 
-    if (dir == DIR_NORTH || dir == DIR_WEST) {
-        nearest = second_extrema(fence->first_child);
-    } else if (dir == DIR_SOUTH || dir == DIR_EAST) {
-        nearest = first_extrema(fence->second_child);
-    }
+	if (dir == DIR_NORTH || dir == DIR_WEST) {
+		nearest = second_extrema(fence->first_child);
+	} else if (dir == DIR_SOUTH || dir == DIR_EAST) {
+		nearest = first_extrema(fence->second_child);
+	}
 
 	coordinates_t ref = {m, d, n};
 	coordinates_t loc = {m, d, nearest};