diff --git a/camera/index.html b/camera/index.html
index b9031b5..7b80e2a 100644
--- a/camera/index.html
+++ b/camera/index.html
@@ -289,7 +289,7 @@
             var value = el.value;
             if (value === '') continue;
             if (el.isBool) {
-                ret[el.keyName] = !!value;
+                ret[el.keyName] = !!+value;
             } else {
                 ret[el.keyName] = +value;
             }