Index: trunk/ppSim/src/ppSimBadPixels.c
===================================================================
--- trunk/ppSim/src/ppSimBadPixels.c	(revision 23229)
+++ trunk/ppSim/src/ppSimBadPixels.c	(revision 23259)
@@ -74,5 +74,5 @@
     }
 
-    psRandom *pseudoRNG = psRandomAlloc(PS_RANDOM_TAUS, seed); // Pseudo-random number generator
+    psRandom *pseudoRNG = psRandomAllocSpecific(PS_RANDOM_TAUS, seed); // Pseudo-random number generator
 
     psImage *image = readout->image;    // Image of interest
Index: trunk/ppSim/src/ppSimLoop.c
===================================================================
--- trunk/ppSim/src/ppSimLoop.c	(revision 23229)
+++ trunk/ppSim/src/ppSimLoop.c	(revision 23259)
@@ -25,5 +25,5 @@
     psMetadata *recipe = psMetadataLookupMetadata(NULL, config->recipes, PPSIM_RECIPE); // Recipe
 
-    psRandom *rng = psRandomAlloc(PS_RANDOM_TAUS, 0); // Random number generator
+    psRandom *rng = psRandomAlloc(PS_RANDOM_TAUS); // Random number generator
 
     char *typeStr = psMetadataLookupStr(NULL, recipe, "IMAGE.TYPE"); // Type of image to simulate
Index: trunk/ppSim/src/ppSimSequence.c
===================================================================
--- trunk/ppSim/src/ppSimSequence.c	(revision 23229)
+++ trunk/ppSim/src/ppSimSequence.c	(revision 23259)
@@ -133,12 +133,10 @@
     if (ppsim_recipe) psStringAppend (&ppSimCommand, " -recipe PPSIM %s", ppsim_recipe);
 
-    unsigned long seed = psMetadataLookupS32 (&status, config, "RND_SEED");
-    if (!status) seed = 0;
-    psRandom *rng = psRandomAlloc(PS_RANDOM_TAUS, seed);
+    psRandom *rng = psRandomAlloc(PS_RANDOM_TAUS);
 
     psMetadataItem *item = psMetadataLookup (config, "SEQUENCE");
     if (item == NULL) {
         psLogMsg ("ppSimSequence", PS_LOG_WARN, "missing SEQUENCE description");
-        exit (1);
+        exit (PS_EXIT_CONFIG_ERROR);
     }
 
@@ -170,14 +168,14 @@
         }
 
-	// determine the camera for the sequence and define the ppSim command
-	if (camera == NULL) {
-	    camera = psMetadataLookupStr (&status, sequence, "CAMERA");
-	}
-
-	psString injectCommandReal = NULL;
-	psString ppSimCommandReal = NULL;
-
-	psStringAppend (&injectCommandReal, "%s --camera %s", injectCommand, camera);
-	psStringAppend (&ppSimCommandReal, "%s -camera %s", ppSimCommand, camera);
+        // determine the camera for the sequence and define the ppSim command
+        if (camera == NULL) {
+            camera = psMetadataLookupStr (&status, sequence, "CAMERA");
+        }
+
+        psString injectCommandReal = NULL;
+        psString ppSimCommandReal = NULL;
+
+        psStringAppend (&injectCommandReal, "%s --camera %s", injectCommand, camera);
+        psStringAppend (&ppSimCommandReal, "%s -camera %s", ppSimCommand, camera);
 
         if (!strcasecmp (type, "BIAS")) {