diff --git a/contrib/guix/libexec/build.sh b/contrib/guix/libexec/build.sh
index 8a2bcd7623c..c63b33da959 100755
--- a/contrib/guix/libexec/build.sh
+++ b/contrib/guix/libexec/build.sh
@@ -372,8 +372,8 @@ mkdir -p "$DISTSRC"
                 find "${DISTNAME}" -print0 \
                     | sort --zero-terminated \
                     | tar --create --no-recursion --mode='u+rw,go+r-w,a+X' --null --files-from=- \
-                    | gzip -9n > "${OUTDIR}/${DISTNAME}-${HOST}.tar.gz" \
-                    || ( rm -f "${OUTDIR}/${DISTNAME}-${HOST}.tar.gz" && exit 1 )
+                    | gzip -9n > "${OUTDIR}/${DISTNAME}-${HOST}-unsigned.tar.gz" \
+                    || ( rm -f "${OUTDIR}/${DISTNAME}-${HOST}-unsigned.tar.gz" && exit 1 )
                 ;;
         esac
     )  # $DISTSRC/installed