diff --git a/src/Chemistry/WorkerFunctions.cpp b/src/Chemistry/WorkerFunctions.cpp
index a2c15a3ed..335132d0a 100644
--- a/src/Chemistry/WorkerFunctions.cpp
+++ b/src/Chemistry/WorkerFunctions.cpp
@@ -153,7 +153,7 @@ void poet::ChemistryModule::WorkerDoWork(MPI_Status &probe_status,
   current_sim_time = mpi_buffer[count + 3];
 
   // current work package start location in field
-  wp_start_index = mpi_buffer[count+4];
+  wp_start_index = mpi_buffer[count + 4];
 
   for (std::size_t wp_i = 0; wp_i < s_curr_wp.size; wp_i++) {
     s_curr_wp.input[wp_i] =