diff --git a/src/save-cache.ts b/src/save-cache.ts
index fa1f7e6..a89815d 100644
--- a/src/save-cache.ts
+++ b/src/save-cache.ts
@@ -55,16 +55,13 @@ async function saveCache(): Promise<void> {
   // Check if UV_CACHE_DIR has been changed externally from this action
   let actualCachePath = cacheLocalPath;
   if (process.env.UV_CACHE_DIR !== cacheLocalPath) {
-    if (process.env.UV_CACHE_DIR) {
-      core.warning(
-        `The environment variable UV_CACHE_DIR has been changed to "${process.env.UV_CACHE_DIR}", by an action or step running after astral-sh/setup-uv. This can lead to unexpected behavior. If you expected this to happen set the cache-local-path input to "${process.env.UV_CACHE_DIR}" instead of "${cacheLocalPath}".`
-      );
-      actualCachePath = process.env.UV_CACHE_DIR;
-    } else {
-      core.warning(
-        `The environment variable UV_CACHE_DIR has been unset, by an action or step running after astral-sh/setup-uv. This can lead to unexpected behavior. If you expected this to happen unset cache-local-path input from "${cacheLocalPath}".`
-      );
-    }
+    // Don't need to check for unset UV_CACHE_DIR because:
+    // 1. We set the UV_CACHE_DIR earlier on in this action
+    // 2. Once an environment variable is set in GitHub Actions, it cannot be unset.
+    core.warning(
+      `The environment variable UV_CACHE_DIR has been changed to "${process.env.UV_CACHE_DIR}", by an action or step running after astral-sh/setup-uv. This can lead to unexpected behavior. If you expected this to happen set the cache-local-path input to "${process.env.UV_CACHE_DIR}" instead of "${cacheLocalPath}".`,
+    );
+    actualCachePath = process.env.UV_CACHE_DIR!;
   }
 
   core.info(`Saving cache path: ${actualCachePath}`);