1 files changed, 1 insertions, 0 deletions

diff --git a/apps/plugin.c b/apps/plugin.c
index e92a9a4d84..f70b648a49 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -410,6 +410,7 @@ void IMIA4(void)
 {
     if (pfn_timer != NULL)
         pfn_timer(); /* call the user timer function */
+    and_b(~0x01, &TSR4); /* clear the interrupt */
 }
 #endif /* #ifndef SIMULATOR */