diff --git a/pkg/machinery/config/types/v1alpha1/v1alpha1_provider.go b/pkg/machinery/config/types/v1alpha1/v1alpha1_provider.go
index ee0f6e7b93..6292c8ddf3 100644
--- a/pkg/machinery/config/types/v1alpha1/v1alpha1_provider.go
+++ b/pkg/machinery/config/types/v1alpha1/v1alpha1_provider.go
@@ -1371,7 +1371,7 @@ func (i *InstallConfig) DiskMatchExpression() (*cel.Expression, error) {
 	}
 
 	if selector.BusPath != "" {
-		exprs = append(exprs, patternMatcherExpr(selector.BusPath, "buspath"))
+		exprs = append(exprs, patternMatcherExpr(selector.BusPath, "bus_path"))
 	}
 
 	// exclude readonly disks: !disk.readonly
diff --git a/pkg/machinery/config/types/v1alpha1/v1alpha1_provider_test.go b/pkg/machinery/config/types/v1alpha1/v1alpha1_provider_test.go
index 812db8320e..fdf2eaaa6a 100644
--- a/pkg/machinery/config/types/v1alpha1/v1alpha1_provider_test.go
+++ b/pkg/machinery/config/types/v1alpha1/v1alpha1_provider_test.go
@@ -77,6 +77,16 @@ disk.rotational && !disk.readonly && !disk.cdrom`,
 
 			expected: `disk.transport != "" && !disk.rotational && !disk.readonly && !disk.cdrom`,
 		},
+		{
+			name: "bus path",
+
+			selector: v1alpha1.InstallDiskSelector{
+				BusPath: "/pci-0000:00:1f.2/*",
+			},
+
+			expected: `disk.transport != "" && glob("/pci-0000:00:1f.2/*", disk.bus_path) && !disk.readonly &&
+!disk.cdrom`,
+		},
 	} {
 		t.Run(test.name, func(t *testing.T) {
 			t.Parallel()