diff --git a/src/bytecode.c b/src/bytecode.c
index 33f1ae53e28..881834367ab 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -638,7 +638,7 @@ If the third argument is incorrect, Emacs may crash.  */)
 		AFTER_POTENTIAL_GC ();
 	      }
 	  }
-	  POP;
+	  (void) POP;
 	  break;
 
 	case Bdup: