diff --git a/Machines/Acorn/BBCMicro/BBCMicro.cpp b/Machines/Acorn/BBCMicro/BBCMicro.cpp
index 202c4b527..a876a9345 100644
--- a/Machines/Acorn/BBCMicro/BBCMicro.cpp
+++ b/Machines/Acorn/BBCMicro/BBCMicro.cpp
@@ -24,6 +24,8 @@ public:
 		const Analyser::Static::Acorn::BBCMicroTarget &target,
 		const ROMMachine::ROMFetcher &rom_fetcher
 	) {
+		set_clock_rate(2'000'000);
+
 		(void)target;
 		(void)rom_fetcher;
 	}