diff --git a/arbor/include/arbor/simd/neon.hpp b/arbor/include/arbor/simd/neon.hpp
index beaa00d113a1d51d377276588975946f637dca11..4d7f4277ba8c214bfaf5f364bcc05818cbd874b6 100644
--- a/arbor/include/arbor/simd/neon.hpp
+++ b/arbor/include/arbor/simd/neon.hpp
@@ -475,6 +475,7 @@ struct neon_double2 : implbase<neon_double2> {
         return ifelse(is_large, broadcast(HUGE_VAL),
                       ifelse(is_small, broadcast(-1),
                              ifelse(is_not_nan, ifelse(nzero, expgm1, scaled), broadcast(NAN))));
+    }
 
     // Natural logarithm:
     //