diff --git a/src/test/app/SHAMapStore_test.cpp b/src/test/app/SHAMapStore_test.cpp
index 175dfd1d22..2b6e8db2f9 100644
--- a/src/test/app/SHAMapStore_test.cpp
+++ b/src/test/app/SHAMapStore_test.cpp
@@ -12,6 +12,7 @@
 #include <xrpld/core/ConfigSections.h>
 
 #include <xrpl/basics/ByteUtilities.h>
+#include <xrpl/basics/Number.h>
 #include <xrpl/basics/base_uint.h>
 #include <xrpl/beast/unit_test/suite.h>
 #include <xrpl/json/json_value.h>