diff --git a/include/GeographyPoint.hpp b/include/GeographyPoint.hpp
index 53a2c17..7a44002 100644
--- a/include/GeographyPoint.hpp
+++ b/include/GeographyPoint.hpp
@@ -160,7 +160,7 @@ class GeographyPoint {
     int32_t deserializeFrom(ByteBuffer &message,
                             int32_t     offset,
                             bool       &wasNull);
-    static const double NULL_COORDINATE = 360.0;
+    static const double NULL_COORDINATE;
 private:
     double m_longitude;
     double m_latitude;
diff --git a/src/GeographyPoint.cpp b/src/GeographyPoint.cpp
index 8c84f56..70a82aa 100644
--- a/src/GeographyPoint.cpp
+++ b/src/GeographyPoint.cpp
@@ -30,6 +30,7 @@
 #include "ByteBuffer.hpp"
 
 namespace voltdb {
+const double GeographyPoint::NULL_COORDINATE = 360;
 GeographyPoint::GeographyPoint()
     : m_longitude(360.0),
       m_latitude(360.0) {