Index: generic/nsf.c
===================================================================
diff -u -rc9a0d623d5d561d4c0f1dcd97cada90ba8fbb108 -r8d65f0a7b5bd040d5e0b0d353b44869e26c79e81
--- generic/nsf.c	(.../nsf.c)	(revision c9a0d623d5d561d4c0f1dcd97cada90ba8fbb108)
+++ generic/nsf.c	(.../nsf.c)	(revision 8d65f0a7b5bd040d5e0b0d353b44869e26c79e81)
@@ -14459,7 +14459,7 @@
          */
         stackCscPtr =
           (((unsigned int)Tcl_CallFrame_isProcCallFrame(varFramePtr) & (FRAME_IS_NSF_METHOD|FRAME_IS_NSF_CMETHOD)) != 0u) ?
-          (NsfCallStackContent *)Tcl_CallFrame_clientData(varFramePtr) : NULL;
+          ((NsfCallStackContent *)Tcl_CallFrame_clientData(varFramePtr)) : NULL;
         if (stackCscPtr == NULL || (stackCscPtr->flags & NSF_CSC_CALL_IS_ENSEMBLE) == 0u) {
           break;
         }