diff --git a/shim.c b/shim.c
index b725629..2a3d055 100644
--- a/shim.c
+++ b/shim.c
@@ -1625,9 +1625,14 @@ EFI_STATUS efi_main (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *passed_systab)
 	/*
 	 * Install the protocol
 	 */
-	uefi_call_wrapper(BS->InstallProtocolInterface, 4, &handle,
-			  &shim_lock_guid, EFI_NATIVE_INTERFACE,
+	efi_status = uefi_call_wrapper(BS->InstallProtocolInterface, 4,
+			  &handle, &shim_lock_guid, EFI_NATIVE_INTERFACE,
 			  &shim_lock_interface);
+	if (EFI_ERROR(efi_status)) {
+		console_error("Could not install security protocol",
+			      efi_status);
+		return efi_status;
+	}
 
 #if defined(OVERRIDE_SECURITY_POLICY)
 	/*