diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 008929e8d3fe..cc05c88bf13e 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -193,8 +193,8 @@ struct me4000_board {
 	int ai_nchan;
 	int ai_diff_nchan;
 	int ai_sh_nchan;
-	int ex_trig_analog;
-	int has_counter;
+	unsigned int ex_trig_analog:1;
+	unsigned int has_counter:1;
 };
 
 static const struct me4000_board me4000_boards[] = {