diff --git a/dist/index.js b/dist/index.js
index 5167c29..fcf01c5 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -98145,7 +98145,7 @@ var NixInstallerAction = class extends DetSysAction {
           debug_probe_urls_body: resp.body,
           // eslint-disable-line camelcase
           // eslint-disable-next-line camelcase
-          debug_probe_urls_elapsed: (resp.timings.end || 0) - resp.timings.start
+          debug_probe_urls_elapsed: (resp.timings.end ?? 0) - resp.timings.start
         });
       } catch (e) {
         this.recordEvent("debug-probe-urls:exception", {
diff --git a/src/index.ts b/src/index.ts
index 376d22e..11c4321 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -171,7 +171,7 @@ class NixInstallerAction extends DetSysAction {
           debug_probe_urls_body: resp.body, // eslint-disable-line camelcase
           // eslint-disable-next-line camelcase
           debug_probe_urls_elapsed:
-            (resp.timings.end || 0) - resp.timings.start,
+            (resp.timings.end ?? 0) - resp.timings.start,
         });
       } catch (e: unknown) {
         this.recordEvent("debug-probe-urls:exception", {