diff --git a/streetup/controls/static/controls/controls_detail.js b/streetup/controls/static/controls/controls_detail.js
index a812b06..1b789dd 100644
--- a/streetup/controls/static/controls/controls_detail.js
+++ b/streetup/controls/static/controls/controls_detail.js
@@ -42,7 +42,8 @@ map = new maplibregl.Map({
     center: [4.3572, 50.8477],
     zoom: 11,
     minzoom: 4,
-    maxzoom: 24
+    maxzoom: 24,
+    maxBounds: null
 });
 
 // Ajouter un marqueur au clic
diff --git a/streetup/controls/static/controls/remarks_form.js b/streetup/controls/static/controls/remarks_form.js
index f5ce151..b72aa0f 100644
--- a/streetup/controls/static/controls/remarks_form.js
+++ b/streetup/controls/static/controls/remarks_form.js
@@ -416,7 +416,8 @@ map = new maplibregl.Map({
     center: [4.3572, 50.8477],
     zoom: 11,
     minZoom: 9,
-    maxZoom: 24
+    maxZoom: 24,
+    maxBounds: null
 });
 
 
diff --git a/streetup/mobile/templates/mobile/mobile_base.html b/streetup/mobile/templates/mobile/mobile_base.html
index eddc2c3..40c9c85 100644
--- a/streetup/mobile/templates/mobile/mobile_base.html
+++ b/streetup/mobile/templates/mobile/mobile_base.html
@@ -176,7 +176,7 @@
                                 options.zoom = window.MAP_DEFAULT_ZOOM;
                             }
 
-                            if (!options.maxBounds && window.MAP_DEFAULT_EXTENT) {
+                            if (options.maxBounds === undefined && window.MAP_DEFAULT_EXTENT) {
                                 options.maxBounds = window.MAP_DEFAULT_EXTENT;
                             }
 
diff --git a/streetup/observations/templates/observations/observation_form.html b/streetup/observations/templates/observations/observation_form.html
index 3886989..f6e5b2c 100644
--- a/streetup/observations/templates/observations/observation_form.html
+++ b/streetup/observations/templates/observations/observation_form.html
@@ -2005,7 +2005,7 @@
                             options.zoom = window.MAP_DEFAULT_ZOOM;
                         }
 
-                        if (!options.maxBounds && window.MAP_DEFAULT_EXTENT) {
+                        if (options.maxBounds === undefined && window.MAP_DEFAULT_EXTENT) {
                             options.maxBounds = window.MAP_DEFAULT_EXTENT;
                         }
 
diff --git a/streetup/templates/base.html b/streetup/templates/base.html
index 2e89ec7..7f8a8bd 100644
--- a/streetup/templates/base.html
+++ b/streetup/templates/base.html
@@ -62,7 +62,7 @@
                                 options.zoom = window.MAP_DEFAULT_ZOOM;
                             }
 
-                            if (!options.maxBounds && window.MAP_DEFAULT_EXTENT) {
+                            if (options.maxBounds === undefined && window.MAP_DEFAULT_EXTENT) {
                                 options.maxBounds = window.MAP_DEFAULT_EXTENT;
                             }