diff --git a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.6/periodic-head.cfg b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.6/periodic-head.cfg
index f9cfcd33e..8e181c510 100644
--- a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.6/periodic-head.cfg
+++ b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.6/periodic-head.cfg
@@ -7,5 +7,5 @@ env_vars: {
 
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+    value: "github/{{ metadata['repo']['repo'].split('/')[1] }}/.kokoro/test-samples-against-head.sh"
 }
diff --git a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.7/periodic-head.cfg b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.7/periodic-head.cfg
index f9cfcd33e..8e181c510 100644
--- a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.7/periodic-head.cfg
+++ b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.7/periodic-head.cfg
@@ -7,5 +7,5 @@ env_vars: {
 
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+    value: "github/{{ metadata['repo']['repo'].split('/')[1] }}/.kokoro/test-samples-against-head.sh"
 }
diff --git a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.8/periodic-head.cfg b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.8/periodic-head.cfg
index f9cfcd33e..8e181c510 100644
--- a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.8/periodic-head.cfg
+++ b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.8/periodic-head.cfg
@@ -7,5 +7,5 @@ env_vars: {
 
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+    value: "github/{{ metadata['repo']['repo'].split('/')[1] }}/.kokoro/test-samples-against-head.sh"
 }
diff --git a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.9/periodic-head.cfg b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.9/periodic-head.cfg
index f9cfcd33e..8e181c510 100644
--- a/synthtool/gcp/templates/python_library/.kokoro/samples/python3.9/periodic-head.cfg
+++ b/synthtool/gcp/templates/python_library/.kokoro/samples/python3.9/periodic-head.cfg
@@ -7,5 +7,5 @@ env_vars: {
 
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+    value: "github/{{ metadata['repo']['repo'].split('/')[1] }}/.kokoro/test-samples-against-head.sh"
 }