diff --git a/server/src/usbdevice.h b/server/src/usbdevice.h
index ca6fa44bfa0bc7801bcb26543e774efc1334ad46..73eb2af2e58f408e1ae16d4fe4e5e58be9c6c49d 100644
--- a/server/src/usbdevice.h
+++ b/server/src/usbdevice.h
@@ -48,7 +48,7 @@
 #elif OS_DARWIN
   #define NEED_COPY_USB_TRANSFER_BUFFER 1
 #else
-  #error Don't know whether we need to copy the USB transfer buffer
+  #error Dont know whether we need to copy the USB transfer buffer
 #endif