diff --git a/modules/database/src/ioc/misc/registerAllRecordDeviceDrivers.cpp b/modules/database/src/ioc/misc/registerAllRecordDeviceDrivers.cpp
index f6ef353f1..b959c97e2 100644
--- a/modules/database/src/ioc/misc/registerAllRecordDeviceDrivers.cpp
+++ b/modules/database/src/ioc/misc/registerAllRecordDeviceDrivers.cpp
@@ -10,6 +10,7 @@
 #include <map>
 
 #include <string.h>
+#include <stdint.h>
 
 #define EPICS_PRIVATE_API
 
@@ -36,8 +37,8 @@ struct compareLoc {
             return true;
         if (lhs.prset > rhs.prset)
             return false;
-        return reinterpret_cast<char *>(lhs.sizeOffset)
-             < reinterpret_cast<char *>(rhs.sizeOffset);
+        return reinterpret_cast<uintptr_t>(lhs.sizeOffset)
+             < reinterpret_cast<uintptr_t>(rhs.sizeOffset);
     }
 };