diff --git a/src/libnptm/Commons.cpp b/src/libnptm/Commons.cpp
index 4fad87d23d69b55eaef8e5c71a7e8a34fd49bf95..da4b62360dd72b2b2cac1355b762f4ab70d20d57 100644
--- a/src/libnptm/Commons.cpp
+++ b/src/libnptm/Commons.cpp
@@ -325,6 +325,7 @@ C1_AddOns::~C1_AddOns() {
   delete[] v3j0;
   delete[] vh;
   delete[] vj0;
+  delete[] vj;
   for (int ai = nlemt - 1; ai > -1; ai--) {
     delete[] am0m[ai];
   }