diff --git a/update_element_im.sh b/update_element_im.sh
index fc31817..c0181b6 100755
--- a/update_element_im.sh
+++ b/update_element_im.sh
@@ -29,21 +29,21 @@ function update() {
 
     pushd "${tempdir}"
     echo "Downloading..."
-    curl -L -O "${tarball_url}"
-    curl -L -O "${gpg_url}"
+    /usr/bin/curl -L -O "${tarball_url}"
+    /usr/bin/curl -L -O "${gpg_url}"
 
     # GPG key of project
     echo "Verifying the archive integrity..."
-    curl -s -O "https://github.com/RiotRobot.gpg"
-    gpg -o RiotRobot.ring --dearmor RiotRobot.gpg
-    gpg --no-default-keyring --keyring ./RiotRobot.ring --verify "${gpg_file}"
+    /usr/bin/curl -s -O "https://github.com/RiotRobot.gpg"
+    /usr/bin/gpg -o RiotRobot.ring --dearmor RiotRobot.gpg
+    /usr/bin/gpg --no-default-keyring --keyring ./RiotRobot.ring --verify "${gpg_file}"
 
     echo "Extracting archive..."
     tar xfv "${tarball_file}"
     folder_name=$(basename "${tarball_file}" .tar.gz)
     # Update Element, but don't destroy the existing configuration
     echo "Copying new files..."
-    rsync -rXH "${folder_name}/" "${destination}/" \
+    /usr/bin/rsync -rXH "${folder_name}/" "${destination}/" \
         --delete \
         --exclude config.json \
         --chown "${WEB_USER}":"${WEB_USER}"
@@ -58,24 +58,24 @@ trap 'cleanup ${tmpdir}' EXIT
 HOMESERVER_URL="https://chat.dennogumi.org"
 DESTINATION_PATH="/srv/www/htdocs/chat.dennogumi.org"
 WEB_USER="nginx"
-github_data=$(curl -s https://api.github.com/repos/vector-im/element-web/releases/latest)
+github_data=$(/usr/bin/curl -s https://api.github.com/repos/vector-im/element-web/releases/latest)
 
-current_version=$(curl -s "${HOMESERVER_URL}/version")
-remote_version=$(echo "${github_data}" | jq -r '.name')
+current_version=$(/usr/bin/curl -s "${HOMESERVER_URL}/version")
+remote_version=$(echo "${github_data}" | /usr/bin/jq -r '.name')
 
 echo "Checking for version updates..."
 
 if version_gt "${remote_version}" "v${current_version}"
 then
     echo "New version found: ${remote_version}"
-    changelog=$(echo "${github_data}" | jq -r '.body')
+    changelog=$(echo "${github_data}" | /usr/bin/jq -r '.body')
     echo "Changes in this version:"
     echo "${changelog}"
-    asset_name=$(echo "${github_data}" | jq -r '.assets[] |
+    asset_name=$(echo "${github_data}" | /usr/bin/jq -r '.assets[] |
             select(.browser_download_url|endswith("tar.gz")) |
             select(.name|startswith("riot")).browser_download_url')
     gpg_key_name=$(
-        echo "${github_data}" | jq -r '.assets[] |
+        echo "${github_data}" | /usr/bin/jq -r '.assets[] |
             select(.browser_download_url|endswith("asc")) |
             select(.name|startswith("riot")).browser_download_url')
     echo "Updating Element.im from ${current_version} to ${remote_version}..."