diff --git a/build.sh b/build.sh
index 614a17f..4049c85 100755
--- a/build.sh
+++ b/build.sh
@@ -24,7 +24,7 @@ if ! test -n "$1"; then
 	exit 64 # sysexits(3) EX_USAGE
 fi
 
-if ! command -v cargo 1>&2; then
+if ! command -v cargo >/dev/null; then
   printf "%s: Missing dependency: cargo(1)\n" "$0" 1>&2
 	exit 69 # syexits(3) EX_UNAVAILABLE
 fi