diff --git a/avida-core/source/main/cPopulation.cc b/avida-core/source/main/cPopulation.cc
index 8b4765198..5b7bb9435 100644
--- a/avida-core/source/main/cPopulation.cc
+++ b/avida-core/source/main/cPopulation.cc
@@ -1203,7 +1203,12 @@ bool cPopulation::ActivateParasite(cOrganism* host, Systematics::UnitPtr parent,
   // @TODO - activate parasite target selection should account for hardware type
   cOrganism* target_organism = NULL;
   // If there's any migration turned on ... try this first
-  if(m_world->GetConfig().NUM_DEMES.Get() > 0 && m_world->GetConfig().DEMES_PARASITE_MIGRATION_RATE.Get() > 0.0 && m_world->GetConfig().DEMES_MIGRATION_METHOD.Get() == 4 && m_world->GetRandom().P(m_world->GetConfig().DEMES_PARASITE_MIGRATION_RATE.Get())){
+  if(
+    m_world->GetConfig().NUM_DEMES.Get() > 0
+    && m_world->GetConfig().DEMES_PARASITE_MIGRATION_RATE.Get() > 0.0
+    && m_world->GetConfig().DEMES_MIGRATION_METHOD.Get() == 4
+    && m_world->GetRandom().P(m_world->GetConfig().DEMES_PARASITE_MIGRATION_RATE.Get())
+  ){
     cDeme& deme = GetDeme(m_world->GetMigrationMatrix().GetProbabilisticDemeID(host_cell.GetDemeID(), m_world->GetRandom(),true));
     
     // Implementation #1 - Picks randomly of ALL cells in to-deme and then finds if the one it chose was occupied