diff --git a/dist/setup-pdm.js b/dist/setup-pdm.js
index d1c9a01..8d6eae3 100644
--- a/dist/setup-pdm.js
+++ b/dist/setup-pdm.js
@@ -77528,7 +77528,7 @@ async function findPythonVersion(version, architecture, allowPreReleases, update
     core6.info(
       `Successfully set up PyPy ${installed.resolvedPyPyVersion} with Python (${installed.resolvedPythonVersion})`
     );
-    return installed.resolvedPythonVersion;
+    return `pypy-${installed.resolvedPythonVersion}`;
   } else {
     const installed = await useCpythonVersion(
       version,
diff --git a/src/utils.ts b/src/utils.ts
index 32e5a95..40f7b33 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -34,7 +34,7 @@ export async function findPythonVersion(version: string, architecture: string, a
     core.info(
       `Successfully set up PyPy ${installed.resolvedPyPyVersion} with Python (${installed.resolvedPythonVersion})`
     );
-    return installed.resolvedPythonVersion;
+    return `pypy-${installed.resolvedPythonVersion}`;
   } else {
     const installed = await useCpythonVersion(
       version,