diff --git a/.ci/generate_test_report_github.py b/.ci/generate_test_report_github.py
index be43c4b4f693..4b7f3a2367d5 100644
--- a/.ci/generate_test_report_github.py
+++ b/.ci/generate_test_report_github.py
@@ -4,20 +4,23 @@
 """Script to generate a build report for Github."""
 
 import argparse
+import platform
 
 import generate_test_report_lib
 
+PLATFORM_TITLES = {
+    "Windows": ":window: Windows x64 Test Results",
+    "Linux": ":penguin: Linux x64 Test Results",
+}
+
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "title", help="Title of the test report, without Markdown formatting."
-    )
     parser.add_argument("return_code", help="The build's return code.", type=int)
     parser.add_argument("junit_files", help="Paths to JUnit report files.", nargs="*")
     args = parser.parse_args()
 
     report = generate_test_report_lib.generate_report_from_files(
-        args.title, args.return_code, args.junit_files
+        PLATFORM_TITLES[platform.system()], args.return_code, args.junit_files
     )
 
     print(report)
diff --git a/.ci/monolithic-linux.sh b/.ci/monolithic-linux.sh
index fffd8fef2138..da21e09809ae 100755
--- a/.ci/monolithic-linux.sh
+++ b/.ci/monolithic-linux.sh
@@ -39,7 +39,7 @@ function at-exit {
   shopt -s nullglob
   
   if [[ "$GITHUB_STEP_SUMMARY" != "" ]]; then
-    python3 "${MONOREPO_ROOT}"/.ci/generate_test_report_github.py ":penguin: Linux x64 Test Results" \
+    python3 "${MONOREPO_ROOT}"/.ci/generate_test_report_github.py \
       $retcode "${BUILD_DIR}"/test-results.*.xml >> $GITHUB_STEP_SUMMARY
   fi
 }
diff --git a/.ci/monolithic-windows.sh b/.ci/monolithic-windows.sh
index da150829783d..71646ce047d4 100755
--- a/.ci/monolithic-windows.sh
+++ b/.ci/monolithic-windows.sh
@@ -34,7 +34,7 @@ function at-exit {
   shopt -s nullglob
 
   if [[ "$GITHUB_STEP_SUMMARY" != "" ]]; then
-    python "${MONOREPO_ROOT}"/.ci/generate_test_report_github.py ":window: Windows x64 Test Results" \
+    python "${MONOREPO_ROOT}"/.ci/generate_test_report_github.py \
       $retcode "${BUILD_DIR}"/test-results.*.xml >> $GITHUB_STEP_SUMMARY
   fi
 }