diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index 15f37fba3bb..986b6b0d78a 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -154,7 +154,7 @@ using enum script_verify_flag_name;
 static constexpr int MAX_SCRIPT_VERIFY_FLAGS_BITS = static_cast<int>(SCRIPT_VERIFY_END_MARKER);
 
 // assert there is still a spare bit
-static_assert(0 < MAX_SCRIPT_VERIFY_FLAGS_BITS && MAX_SCRIPT_VERIFY_FLAGS_BITS <= 31);
+static_assert(0 < MAX_SCRIPT_VERIFY_FLAGS_BITS && MAX_SCRIPT_VERIFY_FLAGS_BITS <= 63);
 
 static constexpr script_verify_flags::value_type MAX_SCRIPT_VERIFY_FLAGS = ((script_verify_flags::value_type{1} << MAX_SCRIPT_VERIFY_FLAGS_BITS) - 1);
 
diff --git a/src/script/verify_flags.h b/src/script/verify_flags.h
index 0d34174eb22..95a55d2c79e 100644
--- a/src/script/verify_flags.h
+++ b/src/script/verify_flags.h
@@ -14,7 +14,7 @@ enum class script_verify_flag_name : uint8_t;
 class script_verify_flags
 {
 public:
-    using value_type = uint32_t;
+    using value_type = uint64_t;
 
     consteval script_verify_flags() = default;