diff --git a/tests/harness.c b/tests/harness.c
index 068b02f..028d13b 100644
--- a/tests/harness.c
+++ b/tests/harness.c
@@ -480,7 +480,7 @@ int kernel_installed_files_count(BootManager *manager, PlaygroundKernel *kernel)
 bool confirm_kernel_installed(BootManager *manager, PlaygroundConfig *config,
                               PlaygroundKernel *kernel)
 {
-        return kernel_installed_files_count(manager, kernel) == config->uefi ? 3 : 2;
+        return kernel_installed_files_count(manager, kernel) == (config->uefi ? 3 : 2);
 }
 
 bool confirm_kernel_uninstalled(BootManager *manager, PlaygroundKernel *kernel)