diff --git a/receiver/pcie_driver/jfjoch_function.c b/receiver/pcie_driver/jfjoch_function.c
index 86475a8e..ef5ff03c 100644
--- a/receiver/pcie_driver/jfjoch_function.c
+++ b/receiver/pcie_driver/jfjoch_function.c
@@ -36,6 +36,8 @@ void jfjoch_start(struct jfjoch_drvdata *drvdata) {
     iowrite32(255-16, drvdata->bar0 + MAILBOX_OFFSET + ADDR_MAILBOX_SIT);
     iowrite32(15    , drvdata->bar0 + MAILBOX_OFFSET + ADDR_MAILBOX_RIT);
 
+    // Clear all registers
+    iowrite32(0x0, drvdata->bar0 + ACTION_CONFIG_OFFSET);
     // Write Start value to action config register
     iowrite32(0x1, drvdata->bar0 + ACTION_CONFIG_OFFSET);
 }