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diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/external/EclipsePreferencePrimitiveRead.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/external/EclipsePreferencePrimitiveRead.java
new file mode 100644
index 000000000..e5ac0db59
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/external/EclipsePreferencePrimitiveRead.java
@@ -0,0 +1,58 @@
+package org.simantics.db.layer0.request.external;
+
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;
+import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener;
+import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent;
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.ParametrizedPrimitiveRead;
+import org.simantics.db.procedure.Listener;
+import org.simantics.utils.datastructures.Pair;
+
+/**
+ * @author Antti Villberg
+ * @since 1.22.0
+ */
+public class EclipsePreferencePrimitiveRead extends ParametrizedPrimitiveRead<Pair<String,String>,String> implements IPreferenceChangeListener {
+
+    private Listener<String> listener;
+
+    public EclipsePreferencePrimitiveRead(String plugin, String key) {
+        super(Pair.make(plugin, key));
+    }
+
+    @Override
+    public void register(ReadGraph graph, Listener<String> procedure) {
+        IEclipsePreferences preferenceNode = resolvePreferenceNode();
+        if (!procedure.isDisposed() && preferenceNode != null) {
+            preferenceNode.addPreferenceChangeListener(this);
+        }
+        listener = procedure;
+        String value = preferenceNode != null ? preferenceNode.get(parameter.second, null) : null;
+        procedure.execute(value);
+    }
+
+    @Override
+    public void preferenceChange(PreferenceChangeEvent event) {
+        if (parameter.second.equals(event.getKey())) {
+            IEclipsePreferences preferenceNode = resolvePreferenceNode();
+            String value = preferenceNode != null ? preferenceNode.get(parameter.second, null) : null;
+            listener.execute(value);
+        }
+    }
+
+    @Override
+    public void unregistered() {
+        IEclipsePreferences preferenceNode = resolvePreferenceNode();
+        if (preferenceNode != null) {
+            preferenceNode.removePreferenceChangeListener(this);
+        }
+        listener = null;
+    }
+
+    private IEclipsePreferences resolvePreferenceNode() {
+        IEclipsePreferences preferenceNode = InstanceScope.INSTANCE.getNode( parameter.first );
+        return preferenceNode;
+    }
+
+}