Index: trunk/psModules/src/objects/pmDetEff.c
===================================================================
--- trunk/psModules/src/objects/pmDetEff.c	(revision 25383)
+++ trunk/psModules/src/objects/pmDetEff.c	(revision 25477)
@@ -164,5 +164,6 @@
     }
 
-    return psMetadataAddPtr(readout->analysis, PS_LIST_TAIL, PM_DETEFF_ANALYSIS,
-                            PS_META_REPLACE | PS_DATA_UNKNOWN, "Detection efficiency", de);
+    bool status = psMetadataAddPtr(readout->analysis, PS_LIST_TAIL, PM_DETEFF_ANALYSIS, PS_META_REPLACE | PS_DATA_UNKNOWN, "Detection efficiency", de);
+    psFree (de);
+    return status;
 }