diff --git a/libcurl_http_fetcher.cc b/libcurl_http_fetcher.cc
index 7bee4c1..0707d99 100644
--- a/libcurl_http_fetcher.cc
+++ b/libcurl_http_fetcher.cc
@@ -112,9 +112,9 @@
         if (delegate_)
           delegate_->TransferComplete(this, false);  // success
       } else {
-        g_timeout_add(5 * 1000,
-                      &LibcurlHttpFetcher::StaticRetryTimeoutCallback,
-                      this);
+        g_timeout_add_seconds(5,
+                              &LibcurlHttpFetcher::StaticRetryTimeoutCallback,
+                              this);
       }
       return;
     } else {
@@ -229,7 +229,7 @@
   }
   if (!timeout_source_) {
     LOG(INFO) << "setting up timeout source:" << ms;
-    timeout_source_ = g_timeout_source_new(1000);
+    timeout_source_ = g_timeout_source_new_seconds(1);
     CHECK(timeout_source_);
     g_source_set_callback(timeout_source_, StaticTimeoutCallback, this,
                           NULL);
diff --git a/main.cc b/main.cc
index c196ed5..3ae1e4b 100644
--- a/main.cc
+++ b/main.cc
@@ -60,8 +60,8 @@
 
   // Kick off periodic updating. First, update after 2 minutes. Also, update
   // every 30 minutes.
-  g_timeout_add(2 * 60 * 1000, &UpdateOnce, update_attempter);
-  g_timeout_add(30 * 60 * 1000, &UpdatePeriodically, update_attempter);
+  g_timeout_add_seconds(2 * 60, &UpdateOnce, update_attempter);
+  g_timeout_add_seconds(30 * 60, &UpdatePeriodically, update_attempter);
 }
 
 void SetupDbusService(UpdateEngineService* service) {