diff --git a/cmake/libraries/boost.cmake b/cmake/libraries/boost.cmake
index 91257d50..6248309d 100644
--- a/cmake/libraries/boost.cmake
+++ b/cmake/libraries/boost.cmake
@@ -84,7 +84,7 @@ if(PROJECT_ENABLE_BOOST)
     if(PROJECT_ENABLE_LIBBITCOIN_SYSTEM)
       set(BOOST_URL_HASH SHA256=7bd7ddceec1a1dfdcbdb3e609b60d01739c38390a5f956385a12f3122049f0ca)
     else()
-      set(BOOST_URL_HASH SHA256=2575e74ffc3ef1cd0babac2c1ee8bdb5782a0ee672b1912da40e5b4b591ca01f
+      set(BOOST_URL_HASH SHA256=2575e74ffc3ef1cd0babac2c1ee8bdb5782a0ee672b1912da40e5b4b591ca01f)
     endif()
 
     ExternalProject_Add(boost_project