Index: trunk/ppSim/src/ppSimSequenceDark.c
===================================================================
--- trunk/ppSim/src/ppSimSequenceDark.c	(revision 17032)
+++ trunk/ppSim/src/ppSimSequenceDark.c	(revision 19080)
@@ -1,10 +1,12 @@
 # include "ppSimSequence.h"
 
-bool ppSimSequenceDark (FILE *simfile, FILE *inject, psMetadata *sequence, int nSeq, psRandom *rng, const char *path, const char *basename, const char *injectCommand) {
+bool ppSimSequenceDark (FILE *simfile, FILE *inject, psMetadata *sequence, int nSeq, psRandom *rng, const char *path, const char *basename, char *camera, const char *injectCommand) {
 
     bool status, setRate;
     float min, max = 0;
 
-    char *camera = psMetadataLookupStr (&status, sequence, "CAMERA");
+    if (camera == NULL) {
+	camera = psMetadataLookupStr (&status, sequence, "CAMERA");
+    }
 
     setRate = false;