diff --git a/sys/src/cmd/uhtml.c b/sys/src/cmd/uhtml.c
index 7c612de9e..08e512354 100644
--- a/sys/src/cmd/uhtml.c
+++ b/sys/src/cmd/uhtml.c
@@ -65,7 +65,7 @@ main(int argc, char *argv[])
 
 	if(*argv){
 		close(0);
-		if(open(*argv, OREAD) != 1)
+		if(open(*argv, OREAD) != 0)
 			sysfatal("open: %r");
 	}
 	nbuf = 0;