diff --git a/install.sh b/install.sh
index 7cc1fe8..f7ac2c9 100644
--- a/install.sh
+++ b/install.sh
@@ -41,7 +41,7 @@ aarch64 | arm64)
 esac
 
 GH_REPO="axllent/mailpit"
-INSTALL_PATH="/usr/local/bin"
+INSTALL_PATH="${INSTALL_PATH:-/usr/local/bin}"
 TIMEOUT=90
 # This is used to authenticate with the GitHub API. (Fix the public rate limiting issue)
 # Try the GITHUB_TOKEN environment variable is set globally.