diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 70f7ff8b3..536a14c11 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -27,7 +27,7 @@
 # OF THE POSSIBILITY OF SUCH DAMAGE.
 ---
 name: codecov
-on:
+'on':
   push:
     branches:
       - master
diff --git a/.github/workflows/mvn.yml b/.github/workflows/mvn.yml
index b4d70e717..b7720f1a5 100644
--- a/.github/workflows/mvn.yml
+++ b/.github/workflows/mvn.yml
@@ -27,7 +27,7 @@
 # OF THE POSSIBILITY OF SUCH DAMAGE.
 ---
 name: mvn
-on:
+'on':
   push:
     branches:
       - master
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index 110384f0b..e14d37f55 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -27,7 +27,7 @@
 # OF THE POSSIBILITY OF SUCH DAMAGE.
 ---
 name: pdd
-on:
+'on':
   push:
     branches:
       - master
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index da9625cd8..a9b6ee774 100644
--- a/.github/workflows/xcop.yml
+++ b/.github/workflows/xcop.yml
@@ -27,7 +27,7 @@
 # OF THE POSSIBILITY OF SUCH DAMAGE.
 ---
 name: xcop
-on:
+'on':
   push:
     branches:
       - master