diff --git a/examples/soft_creatures_2d.cpp b/examples/soft_creatures_2d.cpp
index bc1664b1..fd4dffa8 100644
--- a/examples/soft_creatures_2d.cpp
+++ b/examples/soft_creatures_2d.cpp
@@ -751,7 +751,9 @@ private:
 
 			std::vector<creature> evaluated_creatures(population_.size());
 
+#ifdef _OPENMP
 			#pragma omp parallel for
+#endif
 			for (int i = 0; i < population_.size(); ++i)
 			{
 				auto & creature = population_[i];