diff --git a/__tests__/setup-go.test.ts b/__tests__/setup-go.test.ts
index 70f2166eb..0de001ff3 100644
--- a/__tests__/setup-go.test.ts
+++ b/__tests__/setup-go.test.ts
@@ -645,6 +645,16 @@ describe('setup-go', () => {
     expect(annotation.message).toBe('undefined: fmt.Printl');
   });
 
+  it('matches test output without a column', async () => {
+    const line = '/path/to/main_test.go:13: expected true but got false';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(13);
+    expect(annotation.column).toBe(NaN);
+    expect(annotation.file).toBe('/path/to/main_test.go');
+    expect(annotation.message).toBe('expected true but got false');
+  });
+
   // 1.13.1 => 1.13.1
   // 1.13 => 1.13.0
   // 1.10beta1 => 1.10.0-beta.1, 1.10rc1 => 1.10.0-rc.1
diff --git a/matchers.json b/matchers.json
index 24be34118..ed0700942 100644
--- a/matchers.json
+++ b/matchers.json
@@ -4,7 +4,7 @@
             "owner": "go",
             "pattern": [
                 {
-                    "regexp": "^\\s*(.+\\.go):(?:(\\d+):(\\d+):)? (.*)",
+                    "regexp": "^\\s*(.+\\.go):(?:(\\d+):(?:(\\d+):)?)? (.*)",
                     "file": 1,
                     "line": 2,
                     "column": 3,