diff --git a/lib/main.js b/lib/main.js
index 0907e11..3f2281d 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -45,22 +45,24 @@ function resolveGradleExecutable(baseDirectory) {
     return __awaiter(this, void 0, void 0, function* () {
         const gradleVersion = inputOrNull("gradle-version");
         if (gradleVersion != null) {
-            return provision.gradleVersion(gradleVersion);
+            return path.resolve(yield provision.gradleVersion(gradleVersion));
         }
         const gradleExecutable = inputOrNull("gradle-executable");
         if (gradleExecutable != null) {
-            return path.join(baseDirectory, gradleExecutable);
+            return path.resolve(baseDirectory, gradleExecutable);
         }
         const wrapperDirectory = inputOrNull("wrapper-directory");
         const executableDirectory = wrapperDirectory != null
             ? path.join(baseDirectory, wrapperDirectory)
             : baseDirectory;
-        return path.join(executableDirectory, gradlew.wrapperFilename());
+        return path.resolve(executableDirectory, gradlew.wrapperFilename());
     });
 }
 function resolveBuildRootDirectory(baseDirectory) {
     let buildRootDirectory = inputOrNull("build-root-directory");
-    return buildRootDirectory == null ? baseDirectory : path.join(baseDirectory, buildRootDirectory);
+    return buildRootDirectory == null
+        ? path.resolve(baseDirectory)
+        : path.resolve(baseDirectory, buildRootDirectory);
 }
 function parseCommandLineArguments() {
     const input = inputOrNull("arguments");