diff --git a/internal/iso/ipam_test.go b/internal/iso/ipam_test.go
new file mode 100644
index 00000000..597203ba
--- /dev/null
+++ b/internal/iso/ipam_test.go
@@ -0,0 +1,46 @@
+package iso
+
+import (
+	"net"
+	"net/netip"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/tinkerbell/smee/internal/dhcp/data"
+)
+
+func TestParseIPAM(t *testing.T) {
+	tests := map[string]struct {
+		input *data.DHCP
+		want  string
+	}{
+		"empty": {},
+		"only MAC": {
+			input: &data.DHCP{MACAddress: net.HardwareAddr{0xde, 0xed, 0xbe, 0xef, 0xfe, 0xed}},
+			want:  "ipam=de-ed-be-ef-fe-ed::::::::",
+		},
+		"everything": {
+			input: &data.DHCP{
+				MACAddress:     net.HardwareAddr{0xde, 0xed, 0xbe, 0xef, 0xfe, 0xed},
+				IPAddress:      netip.AddrFrom4([4]byte{127, 0, 0, 1}),
+				SubnetMask:     net.IPv4Mask(255, 255, 255, 0),
+				DefaultGateway: netip.AddrFrom4([4]byte{127, 0, 0, 2}),
+				NameServers:    []net.IP{{1, 1, 1, 1}, {4, 4, 4, 4}},
+				Hostname:       "myhost",
+				NTPServers:     []net.IP{{129, 6, 15, 28}, {129, 6, 15, 29}},
+				DomainSearch:   []string{"example.com", "example.org"},
+				VLANID:         "400",
+			},
+			want: "ipam=de-ed-be-ef-fe-ed:400:127.0.0.1:255.255.255.0:127.0.0.2:myhost:1.1.1.1,4.4.4.4:example.com,example.org:129.6.15.28,129.6.15.29",
+		},
+	}
+
+	for name, tt := range tests {
+		t.Run(name, func(t *testing.T) {
+			got := parseIPAM(tt.input)
+			if diff := cmp.Diff(tt.want, got); diff != "" {
+				t.Fatalf("diff: %v", diff)
+			}
+		})
+	}
+}
diff --git a/internal/iso/iso_test.go b/internal/iso/iso_test.go
index fd4129ed..b5816cfd 100644
--- a/internal/iso/iso_test.go
+++ b/internal/iso/iso_test.go
@@ -8,7 +8,6 @@ import (
 	"net"
 	"net/http"
 	"net/http/httptest"
-	"net/netip"
 	"net/url"
 	"os"
 	"testing"
@@ -193,39 +192,3 @@ func (m *mockBackend) GetByIP(context.Context, net.IP) (*data.DHCP, *data.Netboo
 	}
 	return d, n, nil
 }
-
-func TestParseIPAM(t *testing.T) {
-	tests := map[string]struct {
-		input *data.DHCP
-		want  string
-	}{
-		"empty": {},
-		"only MAC": {
-			input: &data.DHCP{MACAddress: net.HardwareAddr{0xde, 0xed, 0xbe, 0xef, 0xfe, 0xed}},
-			want:  "ipam=de-ed-be-ef-fe-ed::::::::",
-		},
-		"everything": {
-			input: &data.DHCP{
-				MACAddress:     net.HardwareAddr{0xde, 0xed, 0xbe, 0xef, 0xfe, 0xed},
-				IPAddress:      netip.AddrFrom4([4]byte{127, 0, 0, 1}),
-				SubnetMask:     net.IPv4Mask(255, 255, 255, 0),
-				DefaultGateway: netip.AddrFrom4([4]byte{127, 0, 0, 2}),
-				NameServers:    []net.IP{{1, 1, 1, 1}, {4, 4, 4, 4}},
-				Hostname:       "myhost",
-				NTPServers:     []net.IP{{129, 6, 15, 28}, {129, 6, 15, 29}},
-				DomainSearch:   []string{"example.com", "example.org"},
-				VLANID:         "400",
-			},
-			want: "ipam=de-ed-be-ef-fe-ed:400:127.0.0.1:255.255.255.0:127.0.0.2:myhost:1.1.1.1,4.4.4.4:example.com,example.org:129.6.15.28,129.6.15.29",
-		},
-	}
-
-	for name, tt := range tests {
-		t.Run(name, func(t *testing.T) {
-			got := parseIPAM(tt.input)
-			if diff := cmp.Diff(tt.want, got); diff != "" {
-				t.Fatalf("diff: %v", diff)
-			}
-		})
-	}
-}