diff --git a/src/geometry/quaternion.rs b/src/geometry/quaternion.rs
index 22ee5309..69d54967 100755
--- a/src/geometry/quaternion.rs
+++ b/src/geometry/quaternion.rs
@@ -389,6 +389,7 @@ where
     /// ```
     #[inline]
     pub fn outer(&self, other: &Self) -> Self {
+        #[allow(clippy::eq_op)]
         (self * other - other * self).half()
     }