diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index d1bf6913a44..cd1e538bf8c 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -2512,6 +2512,7 @@ class Decipher : public ObjectWrap {
     int out_len;
     Local<Value> outString ;
 
+    out_value = NULL;
     int r = cipher->DecipherFinal(&out_value, &out_len, true);
 
     if (out_len == 0 || r == 0) {