diff --git a/src/consensus/consensus.h b/src/consensus/consensus.h
--- a/src/consensus/consensus.h
+++ b/src/consensus/consensus.h
@@ -28,6 +28,8 @@
  * blocks (network rule).
  */
 static const int COINBASE_MATURITY = 100;
+/** Coinbase scripts have their own script size limit. */
+static const int MAX_COINBASE_SCRIPTSIG_SIZE = 100;
 /** Activation time for P2SH (April 1st 2012) */
 static const int64_t P2SH_ACTIVATION_TIME = 1333234914;
 
diff --git a/src/miner.cpp b/src/miner.cpp
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -33,8 +33,6 @@
 #include <boost/thread.hpp>
 #include <boost/tuple/tuple.hpp>
 
-static const int MAX_COINBASE_SCRIPTSIG_SIZE = 100;
-
 //////////////////////////////////////////////////////////////////////////////
 //
 // BitcoinMiner
diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -484,7 +484,8 @@
         return false;
     }
 
-    if (tx.vin[0].scriptSig.size() < 2 || tx.vin[0].scriptSig.size() > 100) {
+    if (tx.vin[0].scriptSig.size() < 2 ||
+        tx.vin[0].scriptSig.size() > MAX_COINBASE_SCRIPTSIG_SIZE) {
         return state.DoS(100, false, REJECT_INVALID, "bad-cb-length");
     }