diff --git a/kernel/yosys.h b/kernel/yosys.h
index 013c3308f..7fe8dc4f4 100644
--- a/kernel/yosys.h
+++ b/kernel/yosys.h
@@ -148,7 +148,7 @@ extern Tcl_Obj *Tcl_ObjSetVar2(Tcl_Interp *interp, Tcl_Obj *part1Ptr, Tcl_Obj *p
 #endif
 
 #if __cplusplus >= 201703L
-#  define YS_MAYBE_UNUSED [[maybe_unused]];
+#  define YS_MAYBE_UNUSED [[maybe_unused]]
 #elif defined(__GNUC__) || defined(__clang__)
 #  define YS_MAYBE_UNUSED __attribute__((__unused__))
 #else