Index: trunk/psModules/src/concepts/pmConceptsStandard.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 23289)
+++ trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 23296)
@@ -888,4 +888,9 @@
       default:
         psError(PS_ERR_UNKNOWN, true, "Unable to parse %s.\n", pattern->name);
+        return NULL;
+    }
+
+    if (!time) {
+        psError(PS_ERR_BAD_PARAMETER_SIZE, false, "Unable to parse time for %s", pattern->name);
         return NULL;
     }
