diff --git a/src/shape/trimesh.rs b/src/shape/trimesh.rs
index 79ff9237..7ac06879 100644
--- a/src/shape/trimesh.rs
+++ b/src/shape/trimesh.rs
@@ -269,7 +269,7 @@ bitflags::bitflags! {
         ///
         /// This is achieved by taking into account adjacent triangle normals when computing contact
         /// points for a given triangle.
-        const FIX_INTERNAL_EDGES = 1 << 7 | Self::ORIENTED.bits() | Self::MERGE_DUPLICATE_VERTICES.bits();
+        const FIX_INTERNAL_EDGES = (1 << 7) | Self::ORIENTED.bits() | Self::MERGE_DUPLICATE_VERTICES.bits();
     }
 }