diff --git a/tests/integration_test.rs b/tests/integration_test.rs
index e8dca3d..0128479 100755
--- a/tests/integration_test.rs
+++ b/tests/integration_test.rs
@@ -53,7 +53,7 @@ fn test_fiin() {
 fn make_temp_install_dir(name: &str) -> String {
     use physis::installer::install_game;
 
-    let installer_exe = env::var("FFXIV_INSTALLER").unwrap();
+    let installer_exe = env::var("FFXIV_INSTALLER").expect("$FFXIV_INSTALLER needs to point to the retail installer");
 
     let mut game_dir = env::home_dir().unwrap();
     game_dir.push(name);
@@ -131,7 +131,7 @@ fn xivlauncher_install_patch(game_directory: &str, data_directory: &str, patch_n
     println!("XivLauncher: Installing {patch_name}");
 
     let patch_dir = env::var("FFXIV_PATCH_DIR").unwrap();
-    let patcher_exe = env::var("FFXIV_XIV_LAUNCHER_PATCHER").unwrap();
+    let patcher_exe = env::var("FFXIV_XIV_LAUNCHER_PATCHER").expect("$FFXIV_XIV_LAUNCHER_PATCHER must point to XIVLauncher.PatchInstaller.exe");
 
     let patch_path = format!("Z:\\{}\\{}", patch_dir, &patch_name);
     let game_dir = format!("Z:\\{}\\{}", game_directory, data_directory);
@@ -158,7 +158,7 @@ fn test_patching() {
 
     println!("The game installation is now complete. Now running boot patching...");
     for patch in boot_patches {
-        let patch_dir = env::var("FFXIV_PATCH_DIR").unwrap();
+        let patch_dir = env::var("FFXIV_PATCH_DIR").expect("$FFXIV_PATCH_DIR must point to the directory where the patches are stored");
         if !Path::new(&(patch_dir + "/" + patch)).exists() {
             println!("Skipping {} because it doesn't exist locally.", patch);
             continue;