Index: generic/nsf.c
===================================================================
diff -u -r1919d17fefad9446170fa6d532b439f494189b32 -ra8fbf793da47dadb3800469704b57d01c6037e0d
--- generic/nsf.c	(.../nsf.c)	(revision 1919d17fefad9446170fa6d532b439f494189b32)
+++ generic/nsf.c	(.../nsf.c)	(revision a8fbf793da47dadb3800469704b57d01c6037e0d)
@@ -7382,9 +7382,8 @@
       }
     }
     if (format) {
-      Tcl_Obj *savedResultObj;
+      Tcl_Obj *savedResultObj, *ov[3];
 
-      ALLOC_ON_STACK(Tcl_Obj*, 3, ov);
       savedResultObj = Tcl_GetObjResult(interp);
       INCR_REF_COUNT(savedResultObj);
       ov[0] = NULL;
@@ -7393,15 +7392,13 @@
       if (NsfCallCommand(interp, NSF_FORMAT, 3, ov) != TCL_OK) {
         Nsf_PopFrameObj(interp, framePtr);
         DECR_REF_COUNT(savedResultObj);
-        FREE_ON_STACK(Tcl_Obj*, ov);
         return NULL;
       }
       DECR_REF_COUNT(resultObj);
       resultObj = Tcl_DuplicateObj(Tcl_GetObjResult(interp));
       INCR_REF_COUNT2("autoname", resultObj);
       Tcl_SetObjResult(interp, savedResultObj);
       DECR_REF_COUNT(savedResultObj);
-      FREE_ON_STACK(Tcl_Obj*, ov);
 
     } else {
       const char *valueString = Tcl_GetString(valueObj);