diff --git a/src/actions/create.cpp b/src/actions/create.cpp
index 36ca00ee52e..830e52828d4 100644
--- a/src/actions/create.cpp
+++ b/src/actions/create.cpp
@@ -829,7 +829,7 @@ void recruit_unit(const unit_type & u_type, int side_num, const map_location & l
 		resources::undo_stack->add_recruit(new_unit, loc, from);
 		// Check for information uncovered or randomness used.
 		assert(new_unit.type());
-		if ( mutated  ||  new_unit.type()->genders().size() > 1  ||
+		if ( mutated  ||  u_type.genders().size() > 1  ||
 		     new_unit.type()->has_random_traits() ) {
 			resources::undo_stack->clear();
 		}