diff --git a/bin/backend-versions.sh b/bin/backend-versions.sh
index f6fb0bdb5..9fdbdcc05 100755
--- a/bin/backend-versions.sh
+++ b/bin/backend-versions.sh
@@ -7,11 +7,11 @@ for backend in $( find backend -maxdepth 1 -type d ); do
         continue
     fi
     
-    commit=$(git log --oneline -- $backend | tail -1 | cut -d' ' -f1)
+    commit=$(git log --oneline -- $backend | tail -n 1 | cut -d' ' -f1)
     if [ "$commit" == "" ]; then
-        commit=$(git log --oneline -- backend/$backend | tail -1 | cut -d' ' -f1)
+        commit=$(git log --oneline -- backend/$backend | tail -n 1 | cut -d' ' -f1)
     fi
-    version=$(git tag --contains $commit | grep ^v | sort -n | head -1)
+    version=$(git tag --contains $commit | grep ^v | sort -n | head -n 1)
     echo $backend $version
     sed -i~ "4i versionIntroduced: \"$version\"" docs/content/${backend}.md
 done
diff --git a/bin/upload-github b/bin/upload-github
index ba4079323..0ebdc708d 100755
--- a/bin/upload-github
+++ b/bin/upload-github
@@ -13,7 +13,7 @@ if [ "$1" == "" ]; then
     exit 1
 fi
 VERSION="$1"
-ANCHOR=$(grep '^## v' docs/content/changelog.md | head -1 | sed 's/^## //; s/[^A-Za-z0-9-]/-/g; s/--*/-/g')
+ANCHOR=$(grep '^## v' docs/content/changelog.md | head -n 1 | sed 's/^## //; s/[^A-Za-z0-9-]/-/g; s/--*/-/g')
 
 cat > "/tmp/${VERSION}-release-notes" <<EOF
 This is the ${VERSION} release of rclone.
diff --git a/fstest/testserver/init.d/docker.bash b/fstest/testserver/init.d/docker.bash
index 4a3dd9ecc..1bcc2c261 100644
--- a/fstest/testserver/init.d/docker.bash
+++ b/fstest/testserver/init.d/docker.bash
@@ -18,5 +18,5 @@ status() {
 }
 
 docker_ip() {
-    docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{"\n"}}{{end}}' "$NAME" | head -1
+    docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{"\n"}}{{end}}' "$NAME" | head -n 1
 }