diff --git a/src/cmd/compile/internal/logopt/logopt_test.go b/src/cmd/compile/internal/logopt/logopt_test.go
index 51bab49518c..e121c1abd22 100644
--- a/src/cmd/compile/internal/logopt/logopt_test.go
+++ b/src/cmd/compile/internal/logopt/logopt_test.go
@@ -51,7 +51,7 @@ func want(t *testing.T, out string, desired string) {
 
 func wantN(t *testing.T, out string, desired string, n int) {
 	if strings.Count(out, desired) != n {
-		t.Errorf("expected exactly %d occurences of %s in \n%s", n, desired, out)
+		t.Errorf("expected exactly %d occurrences of %s in \n%s", n, desired, out)
 	}
 }