diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 9c47f7c6c..fd4a5674c 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -247,7 +247,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
     vector<bool> vfExec;
     vector<valtype> altstack;
     set_error(serror, SCRIPT_ERR_UNKNOWN_ERROR);
-    if (script.size() > 10000)
+    if (script.size() > MAX_SCRIPT_SIZE)
         return set_error(serror, SCRIPT_ERR_SCRIPT_SIZE);
     int nOpCount = 0;
     bool fRequireMinimal = (flags & SCRIPT_VERIFY_MINIMALDATA) != 0;
diff --git a/src/script/script.h b/src/script/script.h
index d2a68a07b..68cde03e3 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -27,6 +27,9 @@ static const int MAX_OPS_PER_SCRIPT = 201;
 // Maximum number of public keys per multisig
 static const int MAX_PUBKEYS_PER_MULTISIG = 20;
 
+// Maximum script length in bytes
+static const int MAX_SCRIPT_SIZE = 10000;
+
 // Threshold for nLockTime: below this value it is interpreted as block number,
 // otherwise as UNIX timestamp.
 static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov  5 00:53:20 1985 UTC