diff --git a/src/core/include/units/magnitude.h b/src/core/include/units/magnitude.h
index 58ae46df..8e9c46ca 100644
--- a/src/core/include/units/magnitude.h
+++ b/src/core/include/units/magnitude.h
@@ -287,12 +287,14 @@ constexpr auto operator*(Magnitude auto m, magnitude<>) { return m; }
 // Recursive case for the product of any two non-identity Magnitudes.
 template<BasePower auto H1, BasePower auto... T1, BasePower auto H2, BasePower auto... T2>
 constexpr auto operator*(magnitude<H1, T1...>, magnitude<H2, T2...>) {
-  // Shortcut for the "pure prepend" case, which makes it easier to implement some of the other cases.
-  if constexpr ((sizeof...(T1) == 0) && H1.get_base() < H2.get_base()) { return magnitude<H1, H2, T2...>{}; }
-
   // Case for when H1 has the smaller base.
   if constexpr(H1.get_base() < H2.get_base()){
-    return magnitude<H1>{} * (magnitude<T1...>{} * magnitude<H2, T2...>{});
+    if constexpr (sizeof...(T1) == 0) {
+      // Shortcut for the "pure prepend" case, which makes it easier to implement some of the other cases.
+      return magnitude<H1, H2, T2...>{};
+    } else {
+      return magnitude<H1>{} * (magnitude<T1...>{} * magnitude<H2, T2...>{});
+    }
   }
 
   // Case for when H2 has the smaller base.