diff --git a/tool/yubico-piv-tool.c b/tool/yubico-piv-tool.c
index 334562e..b88cc9b 100644
--- a/tool/yubico-piv-tool.c
+++ b/tool/yubico-piv-tool.c
@@ -1505,6 +1505,7 @@ int main(int argc, char *argv[]) {
     }
   }
 
+  ykpiv_done(state);
   EVP_cleanup();
   return ret;
 }