diff --git a/e2e/e2e_test.go b/e2e/e2e_test.go
index dbcf0e1..67d37f5 100644
--- a/e2e/e2e_test.go
+++ b/e2e/e2e_test.go
@@ -117,6 +117,9 @@ imgs:
 
 			defer os.RemoveAll(dir)
 			for _, img := range testImgs {
+				if strings.Contains(img.name, "centos") && tt.efi {
+					t.Skip("efi not supported for CentOS")
+				}
 				t.Run(img.name, func(t *testing.T) {
 					ctx, cancel := context.WithCancel(context.Background())
 					defer cancel()
diff --git a/grub.go b/grub.go
index da20edd..239a3b5 100644
--- a/grub.go
+++ b/grub.go
@@ -58,6 +58,9 @@ type grubProvider struct {
 }
 
 func (g grubProvider) New(c Config, r OSRelease) (Bootloader, error) {
+	if r.ID == ReleaseCentOS {
+		return nil, fmt.Errorf("grub (efi) is not supported for CentOS, use grub-bios instead")
+	}
 	return grub{grubCommon: newGrubCommon(c, r)}, nil
 }
 
diff --git a/grub_efi.go b/grub_efi.go
index 75bd43a..e27c975 100644
--- a/grub_efi.go
+++ b/grub_efi.go
@@ -55,6 +55,9 @@ type grubEFIProvider struct {
 }
 
 func (g grubEFIProvider) New(c Config, r OSRelease) (Bootloader, error) {
+	if r.ID == ReleaseCentOS {
+		return nil, fmt.Errorf("grub-efi is not supported for CentOS, use grub-bios instead")
+	}
 	return grubEFI{grubCommon: newGrubCommon(c, r)}, nil
 }