diff --git a/docs/labwc-config.5.scd b/docs/labwc-config.5.scd
index b9d9e4d1..a52daa67 100644
--- a/docs/labwc-config.5.scd
+++ b/docs/labwc-config.5.scd
@@ -875,7 +875,11 @@ situation.
 	on-screen-display).
 
 *<windowRules><windowRule ignoreFocusRequest="">* [yes|no|default]
-	*ignoreFocusRequest* prevent window to activate itself.
+	*ignoreFocusRequest* prevents window to activate itself.
+
+*<windowRules><windowRule ignoreConfigureRequest="">* [yes|no|default]
+	*ignoreConfigureRequest* prevents a X11 window to position and size
+	itself.
 
 *<windowRules><windowRule fixedPosition="">* [yes|no|default]
 	*fixedPosition* disallows interactive move/resize and prevents
diff --git a/include/window-rules.h b/include/window-rules.h
index 55741f4c..3bbc3b97 100644
--- a/include/window-rules.h
+++ b/include/window-rules.h
@@ -31,6 +31,7 @@ struct window_rule {
 	enum property skip_taskbar;
 	enum property skip_window_switcher;
 	enum property ignore_focus_request;
+	enum property ignore_configure_request;
 	enum property fixed_position;
 
 	struct wl_list link; /* struct rcxml.window_rules */
diff --git a/src/config/rcxml.c b/src/config/rcxml.c
index 1262f035..fd55c591 100644
--- a/src/config/rcxml.c
+++ b/src/config/rcxml.c
@@ -209,6 +209,8 @@ fill_window_rule(char *nodename, char *content)
 		set_property(content, &current_window_rule->skip_window_switcher);
 	} else if (!strcasecmp(nodename, "ignoreFocusRequest")) {
 		set_property(content, &current_window_rule->ignore_focus_request);
+	} else if (!strcasecmp(nodename, "ignoreConfigureRequest")) {
+		set_property(content, &current_window_rule->ignore_configure_request);
 	} else if (!strcasecmp(nodename, "fixedPosition")) {
 		set_property(content, &current_window_rule->fixed_position);
 
diff --git a/src/window-rules.c b/src/window-rules.c
index 5c16c2ba..b6b29995 100644
--- a/src/window-rules.c
+++ b/src/window-rules.c
@@ -114,6 +114,10 @@ window_rules_get_property(struct view *view, const char *property)
 					&& !strcasecmp(property, "ignoreFocusRequest")) {
 				return rule->ignore_focus_request;
 			}
+			if (rule->ignore_configure_request
+					&& !strcasecmp(property, "ignoreConfigureRequest")) {
+				return rule->ignore_configure_request;
+			}
 			if (rule->fixed_position
 					&& !strcasecmp(property, "fixedPosition")) {
 				return rule->fixed_position;
diff --git a/src/xwayland.c b/src/xwayland.c
index 5f90ead1..58d61a80 100644
--- a/src/xwayland.c
+++ b/src/xwayland.c
@@ -377,8 +377,10 @@ handle_request_configure(struct wl_listener *listener, void *data)
 		wl_container_of(listener, xwayland_view, request_configure);
 	struct view *view = &xwayland_view->base;
 	struct wlr_xwayland_surface_configure_event *event = data;
+	bool ignore_configure_requests = window_rules_get_property(
+		view, "ignoreConfigureRequest") == LAB_PROP_TRUE;
 
-	if (view_is_floating(view)) {
+	if (view_is_floating(view) && !ignore_configure_requests) {
 		/* Honor client configure requests for floating views */
 		struct wlr_box box = {.x = event->x, .y = event->y,
 			.width = event->width, .height = event->height};