diff --git a/dist/setup/index.js b/dist/setup/index.js
index a0f91fef..f6f679a3 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -73424,7 +73424,7 @@ function evaluateVersions(versions, versionSpec) {
     });
     for (let i = versions.length - 1; i >= 0; i--) {
         const potential = versions[i];
-        const satisfied = semver.satisfies(potential.replace('-nightly', '+nightly.'), versionSpec.replace('-nightly', '+nightly.'));
+        const satisfied = semver.satisfies(potential.replace('-nightly', '+nightly.'), versionSpec.replace('-nightly', '+nightly'));
         if (satisfied) {
             version = potential;
             break;
diff --git a/src/installer.ts b/src/installer.ts
index 595ea65f..38e98bd7 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -363,7 +363,7 @@ function evaluateVersions(versions: string[], versionSpec: string): string {
     const potential: string = versions[i];
     const satisfied: boolean = semver.satisfies(
       potential.replace('-nightly', '+nightly.'),
-      versionSpec.replace('-nightly', '+nightly.')
+      versionSpec.replace('-nightly', '+nightly')
     );
     if (satisfied) {
       version = potential;