diff --git a/CHANGELOG.md b/CHANGELOG.md
index ecb484b..b2e8569 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## [Unreleased]
 
+## [1.8.1](https://github.com/ICTU/netbox_slm/releases/tag/1.8.1) - 2025-04-11
+
+### Fixed
+
+*  Fix filtering on foreign objects (#65)
+
 ## [1.8.0](https://github.com/ICTU/netbox_slm/releases/tag/1.8.0) - 2025-02-25
 
 ### Added
diff --git a/netbox_slm/__init__.py b/netbox_slm/__init__.py
index 5219a2b..9114afc 100644
--- a/netbox_slm/__init__.py
+++ b/netbox_slm/__init__.py
@@ -16,7 +16,7 @@ limitations under the License.
 
 from netbox.plugins import PluginConfig
 
-__version__ = "1.8.0"
+__version__ = "1.8.1"
 
 
 class SLMConfig(PluginConfig):
diff --git a/netbox_slm/filtersets.py b/netbox_slm/filtersets.py
index 9e82080..594ce7b 100644
--- a/netbox_slm/filtersets.py
+++ b/netbox_slm/filtersets.py
@@ -19,7 +19,7 @@ class SoftwareProductFilterSet(NetBoxModelFilterSet):
     name = CharFilter(lookup_expr="icontains")
     description = CharFilter(lookup_expr="icontains")
 
-    manufacturer = ModelMultipleChoiceFilter(queryset=Manufacturer.objects.all())
+    manufacturer_id = ModelMultipleChoiceFilter(queryset=Manufacturer.objects.all())
 
     class Meta:
         model = SoftwareProduct
@@ -47,12 +47,12 @@ class SoftwareProductVersionFilterSet(NetBoxModelFilterSet):
 
     release_type = MultipleChoiceFilter(choices=SoftwareReleaseTypes.choices)
 
-    manufacturer = ModelMultipleChoiceFilter(
+    manufacturer_id = ModelMultipleChoiceFilter(
         field_name="software_product__manufacturer",
         queryset=Manufacturer.objects.all(),
     )
 
-    software_product = ModelMultipleChoiceFilter(
+    software_product_id = ModelMultipleChoiceFilter(
         queryset=SoftwareProduct.objects.all(),
         label="Software Product",
     )
@@ -78,17 +78,17 @@ class SoftwareProductVersionFilterSet(NetBoxModelFilterSet):
 class SoftwareProductInstallationFilterSet(NetBoxModelFilterSet):
     """Filter capabilities for SoftwareProductInstallation instances."""
 
-    device = ModelMultipleChoiceFilter(queryset=Device.objects.all())
-    virtualmachine = ModelMultipleChoiceFilter(
+    device_id = ModelMultipleChoiceFilter(queryset=Device.objects.all())
+    virtualmachine_id = ModelMultipleChoiceFilter(
         queryset=VirtualMachine.objects.all(),
         label="Virtual Machine",
     )
-    cluster = ModelMultipleChoiceFilter(queryset=Cluster.objects.all())
-    software_product = ModelMultipleChoiceFilter(
+    cluster_id = ModelMultipleChoiceFilter(queryset=Cluster.objects.all())
+    software_product_id = ModelMultipleChoiceFilter(
         queryset=SoftwareProduct.objects.all(),
         label="Software Product",
     )
-    version = ModelMultipleChoiceFilter(queryset=SoftwareProductVersion.objects.all())
+    version_id = ModelMultipleChoiceFilter(queryset=SoftwareProductVersion.objects.all())
 
     class Meta:
         model = SoftwareProductInstallation
@@ -116,12 +116,12 @@ class SoftwareLicenseFilterSet(NetBoxModelFilterSet):
     spdx_expression = CharFilter(lookup_expr="icontains", label="SPDX expression")
     stored_location = CharFilter(lookup_expr="icontains")
 
-    software_product = ModelMultipleChoiceFilter(
+    software_product_id = ModelMultipleChoiceFilter(
         queryset=SoftwareProduct.objects.all(),
         label="Software Product",
     )
-    version = ModelMultipleChoiceFilter(queryset=SoftwareProductVersion.objects.all())
-    installation = ModelMultipleChoiceFilter(queryset=SoftwareProductInstallation.objects.all())
+    version_id = ModelMultipleChoiceFilter(queryset=SoftwareProductVersion.objects.all())
+    installation_id = ModelMultipleChoiceFilter(queryset=SoftwareProductInstallation.objects.all())
 
     class Meta:
         model = SoftwareLicense
diff --git a/netbox_slm/templates/netbox_slm/installations_card_include.html b/netbox_slm/templates/netbox_slm/installations_card_include.html
index 2694da4..a56f21a 100644
--- a/netbox_slm/templates/netbox_slm/installations_card_include.html
+++ b/netbox_slm/templates/netbox_slm/installations_card_include.html
@@ -12,10 +12,10 @@
 {% endif %}
     </h2>
 {% if search_obj == "cluster" %}
-{% htmx_table "plugins:netbox_slm:softwareproductinstallation_list" cluster=object.pk %}
+{% htmx_table "plugins:netbox_slm:softwareproductinstallation_list" cluster_id=object.pk %}
 {% elif search_obj == "device" %}
-{% htmx_table "plugins:netbox_slm:softwareproductinstallation_list" device=object.pk %}
+{% htmx_table "plugins:netbox_slm:softwareproductinstallation_list" device_id=object.pk %}
 {% elif search_obj == "virtualmachine" %}
-{% htmx_table "plugins:netbox_slm:softwareproductinstallation_list" virtualmachine=object.pk %}
+{% htmx_table "plugins:netbox_slm:softwareproductinstallation_list" virtualmachine_id=object.pk %}
 {% endif %}
 </div>
diff --git a/sonar-project.properties b/sonar-project.properties
index df3ac8b..de09ea4 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -2,7 +2,7 @@
 sonar.organization=ictu
 sonar.projectKey=ICTU_netbox_slm
 sonar.projectName=netbox-slm
-sonar.projectVersion=1.8.0
+sonar.projectVersion=1.8.1
 
 # Path is relative to the sonar-project.properties file
 sonar.sources=netbox_slm