diff --git a/src/cmd/apt_query/main.go b/src/cmd/apt_query/main.go
index ab9056c..f0eaab3 100644
--- a/src/cmd/apt_query/main.go
+++ b/src/cmd/apt_query/main.go
@@ -20,7 +20,7 @@ func contains(arr []string, element string) bool {
 // Writes a message to STDERR and exits with status 1.
 func exitOnError(format string, arg ...any) {
 	fmt.Fprintln(os.Stderr, fmt.Errorf(format+"\n", arg...))
-	fmt.Println("Usage: apt_query.go normalized-list <package names>")
+	fmt.Println("Usage: apt_query normalized-list <package names>")
 	os.Exit(1)
 }
 
diff --git a/src/cmd/apt_query/main_test.go b/src/cmd/apt_query/main_test.go
index a8d79bd..1855e6d 100644
--- a/src/cmd/apt_query/main_test.go
+++ b/src/cmd/apt_query/main_test.go
@@ -16,7 +16,7 @@ type RunResult struct {
 func run(t *testing.T, command string, pkgNames ...string) RunResult {
 	stdout := &bytes.Buffer{}
 	stderr := &bytes.Buffer{}
-	cmd := exec.Command("go", append([]string{"run", "apt_query.go", command}, pkgNames...)...)
+	cmd := exec.Command("go", append([]string{"run", "main.go", command}, pkgNames...)...)
 	cmd.Stdout = stdout
 	cmd.Stderr = stderr
 	err := cmd.Run()