diff --git a/bundles/org.openhab.core.addon.marketplace/src/main/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonService.java b/bundles/org.openhab.core.addon.marketplace/src/main/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonService.java
index df2bcf26d..257b9f368 100644
--- a/bundles/org.openhab.core.addon.marketplace/src/main/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonService.java
+++ b/bundles/org.openhab.core.addon.marketplace/src/main/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonService.java
@@ -116,7 +116,7 @@ public abstract class AbstractRemoteAddonService implements AddonService {
 
         // remove incompatible add-ons if not enabled
         boolean showIncompatible = includeIncompatible();
-        addons.removeIf(addon -> !addon.getCompatible() && !showIncompatible);
+        addons.removeIf(addon -> !addon.isInstalled() && !addon.getCompatible() && !showIncompatible);
 
         cachedAddons = addons;
         this.installedAddons = installedAddons;
diff --git a/bundles/org.openhab.core.addon.marketplace/src/test/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonServiceTest.java b/bundles/org.openhab.core.addon.marketplace/src/test/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonServiceTest.java
index 078f41f29..f9084b470 100644
--- a/bundles/org.openhab.core.addon.marketplace/src/test/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonServiceTest.java
+++ b/bundles/org.openhab.core.addon.marketplace/src/test/java/org/openhab/core/addon/marketplace/AbstractRemoteAddonServiceTest.java
@@ -21,6 +21,7 @@ import static org.hamcrest.Matchers.nullValue;
 import static org.openhab.core.addon.marketplace.AbstractRemoteAddonService.CONFIG_REMOTE_ENABLED;
 import static org.openhab.core.addon.marketplace.test.TestAddonService.ALL_ADDON_COUNT;
 import static org.openhab.core.addon.marketplace.test.TestAddonService.COMPATIBLE_ADDON_COUNT;
+import static org.openhab.core.addon.marketplace.test.TestAddonService.INCOMPATIBLE_VERSION;
 import static org.openhab.core.addon.marketplace.test.TestAddonService.INSTALL_EXCEPTION_ADDON;
 import static org.openhab.core.addon.marketplace.test.TestAddonService.SERVICE_PID;
 import static org.openhab.core.addon.marketplace.test.TestAddonService.TEST_ADDON;
@@ -149,6 +150,12 @@ public class AbstractRemoteAddonServiceTest {
         assertThat(addonService.getAddons(null), hasSize(COMPATIBLE_ADDON_COUNT));
     }
 
+    @Test
+    public void testIncompatibleAddonsAlwaysIncludedIfInstalled() {
+        addonService.setInstalled(INCOMPATIBLE_VERSION);
+        assertThat(addonService.getAddons(null), hasSize(COMPATIBLE_ADDON_COUNT + 1));
+    }
+
     @Test
     public void testIncompatibleAddonsAreIncludedIfRequested() {
         properties.put("includeIncompatible", true);