diff --git a/src/devices/cpu/f8/f8.cpp b/src/devices/cpu/f8/f8.cpp
index f54611b0683..6f6ea70512c 100644
--- a/src/devices/cpu/f8/f8.cpp
+++ b/src/devices/cpu/f8/f8.cpp
@@ -110,7 +110,7 @@ void f8_cpu_device::device_start()
 {
 	m_program = &space(AS_PROGRAM);
 	m_cache = m_program->cache<0, 0, ENDIANNESS_BIG>();
-	m_r = &space(AS_DATA);
+	m_r = space(AS_DATA).cache<0, 0, ENDIANNESS_BIG>();
 	m_iospace = &space(AS_IO);
 
 	// zerofill
diff --git a/src/devices/cpu/f8/f8.h b/src/devices/cpu/f8/f8.h
index a30464146b6..e8851da127e 100644
--- a/src/devices/cpu/f8/f8.h
+++ b/src/devices/cpu/f8/f8.h
@@ -68,7 +68,7 @@ private:
 	u16  m_irq_vector;
 	address_space *m_program;
 	memory_access_cache<0, 0, ENDIANNESS_BIG> *m_cache;
-	address_space *m_r;
+	memory_access_cache<0, 0, ENDIANNESS_BIG> *m_r;
 	address_space *m_iospace;
 	int m_icount;
 	int m_irq_request;