diff --git a/USBCore.cpp b/USBCore.cpp
index 82aa372..be38718 100644
--- a/USBCore.cpp
+++ b/USBCore.cpp
@@ -128,7 +128,7 @@ static inline void ClearOUT(void)
 	UEINTX = ~(1 << RXOUTI);
 }
 
-void Recv(volatile u8* data, u8 count)
+static inline void Recv(volatile u8* data, u8 count)
 {
 	while (count--)
 		*data++ = UEDATX;