Index: trunk/psModules/src/camera/pmFPAfile.c
===================================================================
--- trunk/psModules/src/camera/pmFPAfile.c	(revision 16416)
+++ trunk/psModules/src/camera/pmFPAfile.c	(revision 16417)
@@ -492,4 +492,8 @@
     psString regex = NULL;              // Regular expression
     if (name) {
+        if (!psMetadataLookup(files, name)) {
+            // No files
+            return NULL;
+        }
         psStringAppend(&regex, "^%s$", name);
     }
@@ -516,4 +520,8 @@
     psString regex = NULL;              // Regular expression
     if (name) {
+        if (!psMetadataLookup(files, name)) {
+            // No files
+            return NULL;
+        }
         psStringAppend(&regex, "^%s$", name);
     }