Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 16852)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 16853)
@@ -131,5 +131,5 @@
         pmSubtractionKernels *kernels = pmSubtractionKernelsPOIS(size, 0, PM_SUBTRACTION_MODE_1);
         // Set solution to delta function
-        kernels->solution1 = psVectorAlloc(kernels->num + 1, PS_TYPE_F64);
+        kernels->solution1 = psVectorAlloc(kernels->num + 2, PS_TYPE_F64);
         psVectorInit(kernels->solution1, 0.0);
         for (int i = 0; i < kernels->num; i++) {