diff --git a/src/Runner.Worker/FileCommandManager.cs b/src/Runner.Worker/FileCommandManager.cs
index 2a3c137b9..a01f83f2e 100644
--- a/src/Runner.Worker/FileCommandManager.cs
+++ b/src/Runner.Worker/FileCommandManager.cs
@@ -407,7 +407,7 @@ namespace GitHub.Runner.Worker
             // Ensure pos1 is always the smaller position
             if (pos2 < pos1)
             {
-                throw new ArgumentException("OnlyContainsWhiteSpaceBetweenPositions: pos1 must be less than or equal to pos2.")
+                throw new ArgumentException("OnlyContainsWhiteSpaceBetweenPositions: pos1 must be less than or equal to pos2.");
             }
 
             for (int i = pos1 + 1; i < pos2; i++)
diff --git a/src/Test/L0/Worker/FileCommandTestBase.cs b/src/Test/L0/Worker/FileCommandTestBase.cs
index cd5a6ab5a..1bb0c5bb3 100644
--- a/src/Test/L0/Worker/FileCommandTestBase.cs
+++ b/src/Test/L0/Worker/FileCommandTestBase.cs
@@ -241,9 +241,9 @@ namespace GitHub.Runner.Common.Tests.Worker
                     "MY_KEY_5=abc << def",
                     "MY_KEY_6=    <<EOF",
                     "white space test",
-                    "EOF"
-                    "MY_KEY_7 << =EOF="
-                    "abc"
+                    "EOF",
+                    "MY_KEY_7 << =EOF=",
+                    "abc",
                     "=EOF="
                 };
                 TestUtil.WriteContent(stateFile, content);