Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 17428)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 17429)
@@ -11,4 +11,5 @@
 #define ARRAY_BUFFER 16                 // Number to add to array at a time
 #define MAG_IGNORE 99.0                 // Ignore these magnitudes --- they're not real!
+#define FAKE_SIZE 1                     // Size of fake convolution kernel
 
 //#define TESTING
@@ -133,5 +134,5 @@
                          PS_DATA_REGION | PS_META_DUPLICATE_OK, "Fake subtraction region", region);
         psFree(region);
-        pmSubtractionKernels *kernels = pmSubtractionKernelsPOIS(0, 0, PM_SUBTRACTION_MODE_1);
+        pmSubtractionKernels *kernels = pmSubtractionKernelsPOIS(FAKE_SIZE, 0, PM_SUBTRACTION_MODE_1);
         // Set solution to delta function
         kernels->solution1 = psVectorAlloc(kernels->num + 2, PS_TYPE_F64);
