diff --git a/cranelift/interpreter/src/step.rs b/cranelift/interpreter/src/step.rs
index 2df9888e64..2c3313af1a 100644
--- a/cranelift/interpreter/src/step.rs
+++ b/cranelift/interpreter/src/step.rs
@@ -685,8 +685,8 @@ where
             } else {
                 let lanes = extractlanes(&arg(0)?, ctrl_ty.lane_type())?
                     .into_iter()
-                    .map(|lane| lane.count_ones().unwrap())
-                    .collect::<SimdVec<V>>();
+                    .map(|lane| lane.count_ones())
+                    .collect::<ValueResult<SimdVec<V>>>()?;
                 vectorizelanes(&lanes, ctrl_ty)?
             };
             assign(count)