Index: trunk/psastro/src/psastroMosaicAstrom.c
===================================================================
--- trunk/psastro/src/psastroMosaicAstrom.c	(revision 9374)
+++ trunk/psastro/src/psastroMosaicAstrom.c	(revision 9574)
@@ -9,6 +9,6 @@
     psMetadata *recipe  = psMetadataLookupPtr (NULL, config->recipes, "PSASTRO");
     if (!recipe) {
-	psErrorStackPrint(stderr, "Can't find PSASTRO recipe!\n");
-	exit(EXIT_FAILURE);
+	psError(PSASTRO_ERR_CONFIG, true, "Can't find PSASTRO recipe!\n");
+	return false;
     }
 
@@ -16,6 +16,6 @@
     pmFPAfile *input = psMetadataLookupPtr (NULL, config->files, "PSASTRO.INPUT");
     if (!input) {
-	psErrorStackPrint(stderr, "Can't find input data!\n");
-	exit(EXIT_FAILURE);
+	psError(PSASTRO_ERR_CONFIG, true, "Can't find input data!\n");
+	return false;
     }