diff --git a/cmd/installer/subcommands/installer/command.go b/cmd/installer/subcommands/installer/command.go
index 2a8b4d7efed69..3cb901b3ecb19 100644
--- a/cmd/installer/subcommands/installer/command.go
+++ b/cmd/installer/subcommands/installer/command.go
@@ -31,7 +31,7 @@ const (
 
 // Commands returns the installer subcommands.
 func Commands(_ *command.GlobalParams) []*cobra.Command {
-	return []*cobra.Command{bootstrapCommand(), installCommand(), removeCommand(), installExperimentCommand(), removeExperimentCommand(), promoteExperimentCommand(), garbageCollectCommand(), purgeCommand()}
+	return []*cobra.Command{bootstrapCommand(), installCommand(), removeCommand(), installExperimentCommand(), removeExperimentCommand(), promoteExperimentCommand(), garbageCollectCommand(), purgeCommand(), isInstalledCommand()}
 }
 
 type cmd struct {
@@ -312,7 +312,7 @@ const (
 	ReturnCodeIsInstalledFalse = 10
 )
 
-func isInstalled() *cobra.Command {
+func isInstalledCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "is-installed <package>",
 		Short:   "Check if a package is installed",
diff --git a/pkg/fleet/daemon/daemon_test.go b/pkg/fleet/daemon/daemon_test.go
index 3b45b185dbec3..9183cb4381f99 100644
--- a/pkg/fleet/daemon/daemon_test.go
+++ b/pkg/fleet/daemon/daemon_test.go
@@ -28,7 +28,7 @@ type testPackageManager struct {
 }
 
 func (m *testPackageManager) IsInstalled(ctx context.Context, pkg string) (bool, error) {
-	args := m.Called(pkg)
+	args := m.Called(ctx, pkg)
 	return args.Bool(0), args.Error(1)
 }
 
diff --git a/pkg/fleet/internal/exec/installer_exec.go b/pkg/fleet/internal/exec/installer_exec.go
index 7e3e0030a454b..f12595b6e3547 100644
--- a/pkg/fleet/internal/exec/installer_exec.go
+++ b/pkg/fleet/internal/exec/installer_exec.go
@@ -121,6 +121,7 @@ func (i *InstallerExec) GarbageCollect(ctx context.Context) (err error) {
 	return cmd.Run()
 }
 
+// IsInstalled checks if a package is installed.
 func (i *InstallerExec) IsInstalled(ctx context.Context, pkg string) (_ bool, err error) {
 	cmd := i.newInstallerCmd(ctx, "is-installed", pkg)
 	defer func() { cmd.span.Finish(tracer.WithError(err)) }()