diff --git a/src/engine/Engine.v3 b/src/engine/Engine.v3
index 24b616d1..0f643d25 100644
--- a/src/engine/Engine.v3
+++ b/src/engine/Engine.v3
@@ -19,6 +19,21 @@ class Engine {
 				return FileLoadResult.ParseError(code, filename, section, error_index, error_pos, error_msg);
 		}
 	}
+
+	def loadWasmFileWithTiering(path: string, tiering_override: ExecutionStrategy) -> FileLoadResult {
+		var data = System.fileLoad(path);
+		if (data == null) return FileLoadResult.FileNotFound(path);
+		var limits = Limits.new().set(extensions);
+		var bp = BinParser.new(extensions, limits, path);
+		bp.tiering = tiering_override;
+		var r = bp.push(data, 0, data.length).finish();
+		match (r) {
+			Ok(module) =>
+				return FileLoadResult.Ok(module);
+			Error(code, filename, section, error_index, error_pos, error_msg) =>
+				return FileLoadResult.ParseError(code, filename, section, error_index, error_pos, error_msg);
+		}
+	}
 }
 type FileLoadResult {
 	case Ok(module: Module);
diff --git a/src/engine/Execute.v3 b/src/engine/Execute.v3
index 75b046c9..37be7581 100644
--- a/src/engine/Execute.v3
+++ b/src/engine/Execute.v3
@@ -204,6 +204,15 @@ component ExecuteOptions {
 		}
 		return false;
 	}
+	// Returns the execution strategy for a given flag, or default if not found.
+	def getModeOrDefault(name: string) -> ExecutionStrategy {
+		for (l = modes; l != null; l = l.tail) {
+			var t = l.head;
+			if (Strings.equal(t.0,name)) return t.1;
+		}
+		return default;
+	}
+
 	// Print help for the supported modes.
 	def printHelp(out: TraceBuilder) {
 		var H = out.putsln, L = out.ln;
diff --git a/src/monitors/MonitorOptions.v3 b/src/monitors/MonitorOptions.v3
index d714b80d..c6cb266b 100644
--- a/src/monitors/MonitorOptions.v3
+++ b/src/monitors/MonitorOptions.v3
@@ -43,8 +43,8 @@ component MonitorOptions {
 		if (Strings.endsWith(name, ".wasm")) {
 			var engine = Engine.new();
 			engine.extensions = Extension.set.all;
-
-			var result = engine.loadWasmFile(name); // TODO: limits
+			var tiering_override = ExecuteOptions.getModeOrDefault("jit");
+			var result = engine.loadWasmFileWithTiering(name, tiering_override); // TODO: limits
 			match (result) {
 				Ok(m) => {
 					monitors.put(WhammMonitor.new(m));