diff --git a/pkg/fleet/installer/setup/install.sh b/pkg/fleet/installer/setup/install.sh
index d76e790de910f..fae636cef5467 100644
--- a/pkg/fleet/installer/setup/install.sh
+++ b/pkg/fleet/installer/setup/install.sh
@@ -10,43 +10,49 @@ if [ "$(uname -s)" != "Linux" ] || { [ "$(uname -m)" != "x86_64" ] && [ "$(uname
 fi
 
 tmp_dir="/opt/datadog-packages/tmp"
+extracted_base64="${tmp_dir}/download-installer_base64"
 downloader_path="${tmp_dir}/download-installer"
+script_file="$0"
 
-install() {
-  if [ "$UID" == "0" ]; then
-    sudo_cmd=''
-  else
-    sudo_cmd='sudo'
-  fi
+# 0s are placeholders for the actual start offsets, avoiding to change script lengths
+start_amd=$((10#000000000000))
+start_arm=$((10#000000000000))
+
+if [ "$UID" == "0" ]; then
+  sudo_cmd=''
+else
+  sudo_cmd='sudo'
+fi
 
+install() {
   $sudo_cmd mkdir -p "${tmp_dir}"
   case "$(uname -m)" in
   x86_64)
-    write_installer_amd64 "$sudo_cmd" "$downloader_path"
+    write_installer $((start_amd)) $((start_arm-start_amd))
     ;;
   aarch64)
-    write_installer_arm64 "$sudo_cmd" "$downloader_path"
+    write_installer $((start_arm)) "0"
     ;;
   esac
   $sudo_cmd chmod +x "${downloader_path}"
   echo "Starting the Datadog installer..."
   $sudo_cmd "${downloader_path}" "$@"
-  $sudo_cmd rm -f "${downloader_path}"
 }
 
-# Embedded binaries used to install Datadog.
-# Source: https://github.com/DataDog/datadog-agent/tree/INSTALLER_COMMIT/pkg/fleet/installer
-# DO NOT EDIT THIS SECTION MANUALLY.
-write_installer_amd64() {
-  local sudo_cmd=$1
-  local path=$2
-  base64 -d <<<"DOWNLOADER_BIN_LINUX_AMD64" | $sudo_cmd tee "${path}" >/dev/null
-}
-write_installer_arm64() {
-  local sudo_cmd=$1
-  local path=$2
-  base64 -d <<<"DOWNLOADER_BIN_LINUX_ARM64" | $sudo_cmd tee "${path}" >/dev/null
+write_installer() {
+  local skip=$1
+  local count=$2
+  if [ "$count" -eq "0" ]; then
+      dd if="${script_file}" bs=1 skip=$((skip)) status=none of="${extracted_base64}"
+  else
+      dd if="${script_file}" bs=1 skip=$((skip)) count=$((count)) status=none of="${extracted_base64}"
+  fi
+  base64 -d "${extracted_base64}" > "${downloader_path}"
 }
 
 install "$@"
 exit 0
+
+# Embedded binaries used to install Datadog.
+# Source: https://github.com/DataDog/datadog-agent/tree/INSTALLER_COMMIT/pkg/fleet/installer
+# DO NOT EDIT THIS SECTION MANUALLY.
diff --git a/tasks/installer.py b/tasks/installer.py
index 381c2dc104db8..271818a93a725 100644
--- a/tasks/installer.py
+++ b/tasks/installer.py
@@ -111,12 +111,16 @@ def build_linux_script(
     if version == "nightly-a7":
         version = get_commit_sha(ctx)
 
-    archs = ['amd64', 'arm64']
+    archs = ['amd', 'arm']
     for arch in archs:
-        build_downloader(ctx, flavor=flavor, version=version, os='linux', arch=arch)
+        build_downloader(ctx, flavor=flavor, version=version, os='linux', arch=f'{arch}64')
         with open(DOWNLOADER_BIN, 'rb') as f:
             encoded_bin = base64.encodebytes(f.read()).decode('utf-8')
-        install_script = install_script.replace(f'DOWNLOADER_BIN_LINUX_{arch.upper()}', encoded_bin)
+        bin_start_placeholder = f'start_{arch}=$((10#000000000000))'
+        bin_start_str = str(len(install_script) - 1)
+        new_bin_start = bin_start_placeholder[: -(2 + len(bin_start_str))] + bin_start_str + bin_start_placeholder[-2:]
+        install_script = install_script.replace(bin_start_placeholder, new_bin_start)
+        install_script += encoded_bin
 
     commit_sha = ctx.run('git rev-parse HEAD', hide=True).stdout.strip()
     install_script = install_script.replace('INSTALLER_COMMIT', commit_sha)