diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/irq.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/irq.c
index acd1880f5c..0d1a040b67 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/irq.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/irq.c
@@ -38,6 +38,9 @@ static void rt305x_intc_irq_dispatch(void)
 	else if (pending & RT305X_INTC_INT_UART1)
 		do_IRQ(RT305X_INTC_IRQ_UART1);
 
+	else if (pending & RT305X_INTC_INT_OTG)
+		do_IRQ(RT305X_INTC_IRQ_OTG);
+
 	/* TODO: handle PIO interrupts as well */
 
 	else