diff --git a/src/mbgl/text/collision_feature.hpp b/src/mbgl/text/collision_feature.hpp
index 006a47eb7..c94ec2351 100644
--- a/src/mbgl/text/collision_feature.hpp
+++ b/src/mbgl/text/collision_feature.hpp
@@ -34,7 +34,7 @@ public:
 class CollisionFeature {
 public:
     enum class AlignmentType : bool {
-        Straight = 0,
+        Straight = false,
         Curved
     };