diff --git a/common/Domain.cpp b/common/Domain.cpp
index 1274d80d..ab57ea4e 100644
--- a/common/Domain.cpp
+++ b/common/Domain.cpp
@@ -224,7 +224,7 @@ void Domain::initialize( std::shared_ptr<Database> db )
 	if (rank_info.kz < nproc[2]-1) outlet_layers_z = 0;
     // Fill remaining variables
 	N = Nx*Ny*Nz;
-	Volume = nx*ny*nx*nproc[0]*nproc[1]*nproc[2]*1.0;
+	Volume = nx*ny*nz*nproc[0]*nproc[1]*nproc[2]*1.0;
 
 	if (myrank==0) printf("voxel length = %f micron \n", voxel_length);