diff --git a/engine/common/net_buffer.h b/engine/common/net_buffer.h
index dcb867f2..12282d78 100644
--- a/engine/common/net_buffer.h
+++ b/engine/common/net_buffer.h
@@ -174,7 +174,7 @@ void MSG_ExciseBits( sizebuf_t *sb, int startbit, int bitstoremove );
 
 // Bit-write functions
 void MSG_WriteOneBit( sizebuf_t *sb, int nValue );
-void MSG_WriteUBitLong( sizebuf_t *sb, uint curData, int numbits ) NO_ASAN;
+NO_ASAN void MSG_WriteUBitLong( sizebuf_t *sb, uint curData, int numbits );
 void MSG_WriteSBitLong( sizebuf_t *sb, int data, int numbits );
 void MSG_WriteBitLong( sizebuf_t *sb, uint data, int numbits, qboolean bSigned );
 qboolean MSG_WriteBits( sizebuf_t *sb, const void *pData, int nBits );