diff --git a/src/particles.f90 b/src/particles.f90
index fcad544580fe60cc9dd2ffd58c3827264b28198c..bfcb8741c76ffd5d585dc893ff8d985d1ee6190e 100755
--- a/src/particles.f90
+++ b/src/particles.f90
@@ -79,7 +79,7 @@
 
       npTot=syncSumI(np)
       nppTot=syncSumI(npp)
-      maxnp=npTot*(nrprocs)*3  !if nrprocs=1, one particle can be in domain, gc and sync storage
+      maxnp=npTot*3  ! one particle can be in domain, gc and sync storage
 
       call allocateParticleArray(nppTot,up)
       call allocateParticleArray(nppTot,vp)