diff --git a/docs/CONTRIBUTORS b/docs/CONTRIBUTORS
index be056a619..a64dce238 100644
--- a/docs/CONTRIBUTORS
+++ b/docs/CONTRIBUTORS
@@ -81,3 +81,4 @@ Yossi Nivin
 Yuri Victorovich
 Yutetsu TAKATSUKASA
 Yves Mathieu
+HyungKi Jeong
diff --git a/include/verilated_vcd_c.h b/include/verilated_vcd_c.h
index 8424bd6e6..daa57a5b4 100644
--- a/include/verilated_vcd_c.h
+++ b/include/verilated_vcd_c.h
@@ -34,7 +34,7 @@ class VerilatedVcd;
 // VerilatedFile
 /// File handling routines, which can be overrode for e.g. socket I/O
 
-class VerilatedVcdFile final {
+class VerilatedVcdFile VL_NOT_FINAL {
 private:
     int m_fd = 0;  ///< File descriptor we're writing to
 public: