diff --git a/src/portable/ehci/ehci.c b/src/portable/ehci/ehci.c
index e92f8a951..9b998cda6 100644
--- a/src/portable/ehci/ehci.c
+++ b/src/portable/ehci/ehci.c
@@ -657,7 +657,7 @@ void hcd_int_handler(uint8_t rhport)
   uint32_t int_status = regs->status;
   int_status &= regs->inten;
   
-  regs->status |= int_status; // Acknowledge handled interrupt
+  regs->status = int_status; // Acknowledge handled interrupt
 
   if (int_status == 0) return;