diff --git a/src/emu/cpu/tlcs900/tlcs900.c b/src/emu/cpu/tlcs900/tlcs900.c
index 2bbc495b0d5..4ac551bcb17 100644
--- a/src/emu/cpu/tlcs900/tlcs900.c
+++ b/src/emu/cpu/tlcs900/tlcs900.c
@@ -1835,7 +1835,7 @@ void tmp95c063_device::device_reset()
 	{
 		m_level[i] = CLEAR_LINE;
 	}
-	m_prefetch_clear = false;
+	m_prefetch_clear = true;
 }
 
 READ8_MEMBER( tmp95c063_device::internal_r )