Index: trunk/Ohana/src/relphot/src/setMrelCatalog.c
===================================================================
--- trunk/Ohana/src/relphot/src/setMrelCatalog.c	(revision 38471)
+++ trunk/Ohana/src/relphot/src/setMrelCatalog.c	(revision 38473)
@@ -293,6 +293,7 @@
     }
 
-    // force the synthetic magnitude (apply zpt calibration if no tycho photometry exists)
-    if (results->needSYN[Nsec]) {
+    // use the synthetic magnitude for mean photometry (apply zpt calibration if no tycho
+    // photometry exists)
+    if (results->needSYN[Nsec] || (!results->havePS1[Nsec] && results->haveSYN[Nsec])) {
       if (!isSetMrelFinal) continue;
 
@@ -656,5 +657,5 @@
     }
 
-    secfilt[Nsec].flags |= ID_SECF_HAS_STACK;
+    secfilt[Nsec].flags |= ID_SECF_HAS_PS1_STACK;
   } // Nsecfilt loop
 
