Index: trunk/psModules/src/imcombine/pmSubtractionStamps.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionStamps.c	(revision 19204)
+++ trunk/psModules/src/imcombine/pmSubtractionStamps.c	(revision 19205)
@@ -589,7 +589,7 @@
     int numIn = sources->n;             // Number of sources in input list
 
-    psVector *x = psVectorAlloc(numIn, PS_TYPE_F32); // x coordinates
-    psVector *y = psVectorAlloc(numIn, PS_TYPE_F32); // y coordinates
-    psVector *flux = psVectorAlloc(numIn, PS_TYPE_F32); // Fluxes
+    psVector *x = psVectorAllocEmpty(numIn, PS_TYPE_F32); // x coordinates
+    psVector *y = psVectorAllocEmpty(numIn, PS_TYPE_F32); // y coordinates
+    psVector *flux = psVectorAllocEmpty(numIn, PS_TYPE_F32); // Fluxes
 
     int numOut = 0;                     // Number of sources in output list