diff --git a/contrib/teamcity/build-configurations.py b/contrib/teamcity/build-configurations.py
--- a/contrib/teamcity/build-configurations.py
+++ b/contrib/teamcity/build-configurations.py
@@ -134,7 +134,7 @@
         #    should be run parallel.
         script = self.config.get("script", None)
         if script:
-            script_path = Path(self.script_root.joinpath(script))
+            script_path = Path(self.project_root.joinpath(script))
             if not script_path.is_file() or not os.access(script_path, os.X_OK):
                 raise FileNotFoundError(
                     "The script file {} does not exist or does not have execution permission".format(
diff --git a/contrib/teamcity/build-configurations.yml b/contrib/teamcity/build-configurations.yml
--- a/contrib/teamcity/build-configurations.yml
+++ b/contrib/teamcity/build-configurations.yml
@@ -2,7 +2,7 @@
 # Templates can be referenced in builds to avoid duplication
 templates:
   gitian_builds:
-    script: gitian.sh
+    script: contrib/teamcity/gitian.sh
     timeout: 7200
     artifacts:
       gitian-results: ''