diff --git a/spatial_cell.hpp b/spatial_cell.hpp
index b97e9e8c8..ce299887a 100644
--- a/spatial_cell.hpp
+++ b/spatial_cell.hpp
@@ -155,9 +155,9 @@ namespace spatial_cell {
       Real V_R[3];
       Real RHO_V;
       Real V_V[3];
-      Real P[3];
-      Real P_R[3];
-      Real P_V[3];
+      Real P[6];
+      Real P_R[6];
+      Real P_V[6];
       Real RHOLOSSADJUST = 0.0;      /*!< Counter for particle number loss from the destroying blocks in blockadjustment*/
       Real max_dt[2];                                                /**< Element[0] is max_r_dt, element[1] max_v_dt.*/
       Real velocityBlockMinValue;