diff --git a/libevm/VM.cpp b/libevm/VM.cpp
index e47237d5a..b2f7fea22 100644
--- a/libevm/VM.cpp
+++ b/libevm/VM.cpp
@@ -25,6 +25,10 @@ using namespace std;
 using namespace dev;
 using namespace dev::eth;
 
+uint32_t const dev::eth::FeeStructure::c_memoryGas;
+uint32_t const dev::eth::FeeStructure::c_txDataGas;
+uint32_t const dev::eth::FeeStructure::c_txGas;
+
 void VM::reset(u256 _gas)
 {
 	m_gas = _gas;