Index: trunk/psModules/src/detrend/pmOverscan.c
===================================================================
--- trunk/psModules/src/detrend/pmOverscan.c	(revision 42338)
+++ trunk/psModules/src/detrend/pmOverscan.c	(revision 42356)
@@ -105,5 +105,5 @@
 
     // Fit the overscan, if required
-    psVector *fitted;                   // Fitted overscan values
+    psVector *fitted = NULL;                   // Fitted overscan values
     switch (overscanOpts->fitType) {
       case PM_FIT_NONE: