diff --git a/include/sway/input/seat.h b/include/sway/input/seat.h
index 428f96796..04f0e0ea0 100644
--- a/include/sway/input/seat.h
+++ b/include/sway/input/seat.h
@@ -99,6 +99,7 @@ struct sway_seat {
 	char *prev_workspace_name; // for workspace back_and_forth
 
 	struct wlr_layer_surface_v1 *focused_layer;
+	struct wlr_surface *focused_lock;
 	// If the exclusive layer is set, views cannot receive keyboard focus
 	bool has_exclusive_layer;
 
diff --git a/include/sway/server.h b/include/sway/server.h
index 64419de03..000371995 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -13,7 +13,6 @@ struct sway_transaction;
 
 struct sway_session_lock {
 	struct wlr_session_lock_v1 *lock;
-	struct wlr_surface *focused;
 	bool abandoned;
 
 	struct wl_list outputs; // struct sway_session_lock_output
@@ -182,7 +181,7 @@ void sway_session_lock_add_output(struct sway_session_lock *lock,
 bool sway_session_lock_has_surface(struct sway_session_lock *lock,
 	struct wlr_surface *surface);
 void sway_session_lock_focus_output(struct sway_session_lock *lock,
-	struct sway_output *output);
+	struct sway_seat* seat, struct sway_output *output);
 void handle_xdg_shell_toplevel(struct wl_listener *listener, void *data);
 #if WLR_HAS_XWAYLAND
 void handle_xwayland_surface(struct wl_listener *listener, void *data);
diff --git a/sway/input/seat.c b/sway/input/seat.c
index ca6c2ec2e..e7a95ea64 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -1269,11 +1269,11 @@ void seat_set_focus(struct sway_seat *seat, struct sway_node *node) {
 		// Try focusing the current sway_output's lock-surface
 		struct sway_output *output = node ? node_get_output(node) : NULL;
 		if (output) {
-			sway_session_lock_focus_output(server.session_lock.lock, output);
+			sway_session_lock_focus_output(server.session_lock.lock, seat, output);
 			return;
 		}
 		// Fallback to the previously focused lock surface
-		seat_set_focus_surface(seat, server.session_lock.lock->focused, false);
+		seat_set_focus_surface(seat, seat->focused_lock, false);
 	}
 }
 
diff --git a/sway/lock.c b/sway/lock.c
index 43384fdb5..d4d59adf7 100644
--- a/sway/lock.c
+++ b/sway/lock.c
@@ -30,38 +30,39 @@ struct sway_session_lock_output {
 };
 
 static void focus_surface(struct sway_session_lock *lock,
-		struct wlr_surface *focused) {
-	lock->focused = focused;
-
-	struct sway_seat *seat;
-	wl_list_for_each(seat, &server.input->seats, link) {
+		struct sway_seat *seat, struct wlr_surface *focused) {
+	if (seat) {
+		seat->focused_lock = focused;
 		seat_set_focus_surface(seat, focused, false);
 	}
 }
 
 static void refocus_output(struct sway_session_lock_output *output) {
 	// Move the seat focus to another surface if one is available
-	if (output->lock->focused == output->surface->surface) {
-		struct wlr_surface *next_focus = NULL;
+	struct wlr_surface *next_focus = NULL;
 
-		struct sway_session_lock_output *candidate;
-		wl_list_for_each(candidate, &output->lock->outputs, link) {
-			if (candidate == output || !candidate->surface) {
-				continue;
-			}
-
-			if (candidate->surface->surface->mapped) {
-				next_focus = candidate->surface->surface;
-				break;
-			}
+	struct sway_session_lock_output *candidate;
+	wl_list_for_each(candidate, &output->lock->outputs, link) {
+		if (candidate == output || !candidate->surface) {
+			continue;
 		}
 
-		focus_surface(output->lock, next_focus);
+		if (candidate->surface->surface->mapped) {
+			next_focus = candidate->surface->surface;
+			break;
+		}
+	}
+
+	struct sway_seat *seat;
+	wl_list_for_each(seat, &server.input->seats, link) {
+		if (seat->focused_lock == output->surface->surface) {
+			focus_surface(output->lock, seat, next_focus);
+		}
 	}
 }
 
 void sway_session_lock_focus_output(struct sway_session_lock *lock,
-	struct sway_output *output) {
+	struct sway_seat* seat, struct sway_output *output) {
 	// Try focusing the lock surface on the provided output
 	struct sway_session_lock_output *candidate;
 	wl_list_for_each(candidate, &lock->outputs, link) {
@@ -70,8 +71,7 @@ void sway_session_lock_focus_output(struct sway_session_lock *lock,
 		}
 
 		if (candidate->surface->surface->mapped) {
-			// Set the focus for all seats
-			focus_surface(lock, candidate->surface->surface);
+			focus_surface(lock, seat, candidate->surface->surface);
 			break;
 		}
 	}
@@ -80,15 +80,18 @@ void sway_session_lock_focus_output(struct sway_session_lock *lock,
 static void handle_surface_map(struct wl_listener *listener, void *data) {
 	struct sway_session_lock_output *surf = wl_container_of(listener, surf, surface_map);
 
-	struct sway_seat *seat = input_manager_current_seat();
-	struct sway_workspace *focused_ws = seat_get_focused_workspace(seat);
-	struct sway_output *focused_output = focused_ws ? focused_ws->output : NULL;
+	struct sway_seat *seat;
+	wl_list_for_each(seat, &server.input->seats, link) {
+		struct sway_workspace *focused_ws = seat_get_focused_workspace(seat);
+		struct sway_output *focused_output = focused_ws ? focused_ws->output : NULL;
 
-	// Only set the initial focus surface when it's on the focused output.
-	// Fallback to the first mapped surface if no focused output can be found.
-	if (focused_output == surf->output
-			|| (!focused_output && surf->lock->focused == NULL)) {
-		focus_surface(surf->lock, surf->surface->surface);
+		// Only set the initial focus lock-surface when the surface is on the
+		// focused output. Fallback to the first mapped surface if no focused
+		// output can be found.
+		if (focused_output == surf->output
+				|| (!focused_output && seat->focused_lock == NULL)) {
+			focus_surface(surf->lock, seat, surf->surface->surface);
+		}
 	}
 	cursor_rebase_all();
 }
@@ -224,6 +227,11 @@ static void sway_session_lock_destroy(struct sway_session_lock* lock) {
 		wlr_scene_node_destroy(&lock_output->tree->node);
 	}
 
+	struct sway_seat *seat;
+	wl_list_for_each(seat, &server.input->seats, link) {
+		seat->focused_lock = NULL;
+	}
+
 	if (server.session_lock.lock == lock) {
 		server.session_lock.lock = NULL;
 	}
@@ -245,6 +253,8 @@ static void handle_unlock(struct wl_listener *listener, void *data) {
 
 	struct sway_seat *seat;
 	wl_list_for_each(seat, &server.input->seats, link) {
+		seat->focused_lock = NULL;
+
 		// copied from seat_set_focus_layer -- deduplicate?
 		struct sway_node *previous = seat_get_focus_inactive(seat, &root->node);
 		if (previous) {