diff --git a/OSBindings/Mac/Clock SignalTests/AtariStaticAnalyserTests.mm b/OSBindings/Mac/Clock SignalTests/AtariStaticAnalyserTests.mm
index 37524a77f..49af40019 100644
--- a/OSBindings/Mac/Clock SignalTests/AtariStaticAnalyserTests.mm	
+++ b/OSBindings/Mac/Clock SignalTests/AtariStaticAnalyserTests.mm	
@@ -287,6 +287,7 @@ static NSDictionary<NSString *, AtariROMRecord *> *romRecordsBySHA1 = @{
 	Record(@"18fac606400c08a0469aebd9b071ae3aec2a3cf2", None, NO)			// Math Gran Prix
 	Record(@"aba25089d87cd6fee8d206b880baa5d938aae255", None, NO)			// Maze Craze
 	Record(@"0ae118373c7bda97da2f8d9c113e1e09ea7e49e1", None, NO)			// Mega Force
+	Record(@"46977baf0e1ee6124b524258879c46f80d624fae", MegaBoy, NO)		// MegaBoy
 	Record(@"9c5748b38661dbadcbc9cd1ec6a6b0c550b0e3da", None, NO)			// MegaMania
 	Record(@"debb1572eadb20beb0e4cd2df8396def8eb02098", None, NO)			// Meltdown
 	Record(@"7fcf95459ea597a332bf5b6f56c8f891307b45b4", Atari16k, NO)		// Midnight Magic
diff --git a/StaticAnalyser/Atari/StaticAnalyser.cpp b/StaticAnalyser/Atari/StaticAnalyser.cpp
index ec4f9e470..b54f4d521 100644
--- a/StaticAnalyser/Atari/StaticAnalyser.cpp
+++ b/StaticAnalyser/Atari/StaticAnalyser.cpp
@@ -116,6 +116,14 @@ static void DeterminePagingFor16kCartridge(StaticAnalyser::Target &target, const
 	if(mnetwork_access_count > atari_access_count) target.atari.paging_model = StaticAnalyser::Atari2600PagingModel::MNetwork;
 }
 
+static void DeterminePagingFor64kCartridge(StaticAnalyser::Target &target, const Storage::Cartridge::Cartridge::Segment &segment, const StaticAnalyser::MOS6502::Disassembly &disassembly)
+{
+	// make an assumption that this is a Tigervision if there is a write to 3F
+	target.atari.paging_model =
+		(disassembly.external_stores.find(0x3f) != disassembly.external_stores.end()) ?
+			StaticAnalyser::Atari2600PagingModel::Tigervision : StaticAnalyser::Atari2600PagingModel::MegaBoy;
+}
+
 static void DeterminePagingForCartridge(StaticAnalyser::Target &target, const Storage::Cartridge::Cartridge::Segment &segment)
 {
 	if(segment.data.size() == 2048)
@@ -154,6 +162,9 @@ static void DeterminePagingForCartridge(StaticAnalyser::Target &target, const St
 		case 32768:
 			target.atari.paging_model = StaticAnalyser::Atari2600PagingModel::Atari32k;
 		break;
+		case 65536:
+			DeterminePagingFor64kCartridge(target, segment, disassembly);
+		break;
 		default:
 		break;
 	}
diff --git a/StaticAnalyser/StaticAnalyser.hpp b/StaticAnalyser/StaticAnalyser.hpp
index c4471ce0c..3d5cf2f61 100644
--- a/StaticAnalyser/StaticAnalyser.hpp
+++ b/StaticAnalyser/StaticAnalyser.hpp
@@ -36,7 +36,7 @@ enum class Atari2600PagingModel {
 	Tigervision,
 	CBSRamPlus,
 	MNetwork,
-	Megaboy,
+	MegaBoy,
 	Pitfall2
 };