diff --git a/common/pmmc.h b/common/pmmc.h
index da334fa2..00818a4b 100644
--- a/common/pmmc.h
+++ b/common/pmmc.h
@@ -309,14 +309,14 @@ class TriLinPoly{
 	int ic,jc,kc;
 	double a,b,c,d,e,f,g,h;
 	double x,y,z;
+	double C[8];
 public:
-	DoubleArray Corners;
-
 	TriLinPoly(){		
-		Corners.New(2,2,2);
 	}
 	~TriLinPoly(){
-		Corners.~DoubleArray();
+	}
+	double Corners(int i, int j, int k){
+		return C[k*4+j*2+i];
 	}
 	// Assign the polynomial within a cube from a mesh
 	void assign(DoubleArray &A, int i, int j, int k){