Index: trunk/psModules/src/imcombine/pmSubtraction.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtraction.c	(revision 25120)
+++ trunk/psModules/src/imcombine/pmSubtraction.c	(revision 25279)
@@ -957,10 +957,10 @@
     PS_ASSERT_FLOAT_WITHIN_RANGE(y, -1.0, 1.0, NULL);
 
-    psArray *images = psArrayAlloc(solution->n - 1); // Images of each kernel to return
-    psVector *fakeSolution = psVectorAlloc(solution->n, PS_TYPE_F64); // Fake solution vector
+    psArray *images = psArrayAlloc(kernels->solution1->n - 1); // Images of each kernel to return
+    psVector *fakeSolution = psVectorAlloc(kernels->solution1->n, PS_TYPE_F64); // Fake solution vector
     psVectorInit(fakeSolution, 0.0);
 
-    for (int i = 0; i < solution->n - 1; i++) {
-        fakeSolution->data.F64[i] = solution->data.F64[i];
+    for (int i = 0; i < kernels->solution1->n - 1; i++) {
+        fakeSolution->data.F64[i] = kernels->solution1->data.F64[i];
         images->data[i] = pmSubtractionKernelImage(kernels, x, y, wantDual);
         fakeSolution->data.F64[i] = 0.0;