diff --git a/biz.aQute.resolve/src/biz/aQute/resolve/RunResolution.java b/biz.aQute.resolve/src/biz/aQute/resolve/RunResolution.java
index 2c80c45019..99c93bc85a 100644
--- a/biz.aQute.resolve/src/biz/aQute/resolve/RunResolution.java
+++ b/biz.aQute.resolve/src/biz/aQute/resolve/RunResolution.java
@@ -14,6 +14,8 @@
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
+import aQute.bnd.header.Parameters;
+import aQute.bnd.osgi.Instructions;
 import org.osgi.resource.Resource;
 import org.osgi.resource.Wire;
 import org.osgi.service.resolver.ResolutionException;
@@ -194,6 +196,15 @@ public boolean updateBundles(BndEditModel model) {
 		List<VersionedClause> newer = new ArrayList<>(nonNull(getRunBundles()));
 		List<VersionedClause> older = new ArrayList<>(nonNull(model.getRunBundles()));
 
+		// Apply the -runbundles decorator on the computed RunBundles
+		Parameters bundles = HeaderClause.toParameters(newer);
+		Instructions decorator = new Instructions(project.mergeProperties(Constants.RUNBUNDLES_DECORATOR));
+		decorator.decorate(bundles);
+
+		newer = bundles.entrySet()
+			.stream().map(entry -> new VersionedClause(entry.getKey(), entry.getValue()))
+			.collect(Collectors.toList());
+
 		if (newer.equals(older))
 			return false;
 
diff --git a/biz.aQute.resolve/test/biz/aQute/resolve/RunResolutionTest.java b/biz.aQute.resolve/test/biz/aQute/resolve/RunResolutionTest.java
index 47896c1b24..c091efd18d 100644
--- a/biz.aQute.resolve/test/biz/aQute/resolve/RunResolutionTest.java
+++ b/biz.aQute.resolve/test/biz/aQute/resolve/RunResolutionTest.java
@@ -14,6 +14,8 @@
 import java.util.Set;
 import java.util.TreeMap;
 
+import aQute.bnd.build.model.clauses.HeaderClause;
+import aQute.bnd.build.model.conversions.NoopConverter;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -502,4 +504,25 @@ public void testPrintHumanReadableDifference() throws Exception {
 
 	}
 
+	@Test
+	public void testStartLevelDecoration() throws Exception {
+		Bndrun bndrun = Bndrun.createBndrun(workspace, IO.getFile(ws.toFile(), "test.simple/resolve.bndrun"));
+		bndrun.setProperty("-runstartlevel", "order=leastdependenciesfirst,begin=100,step=10");
+
+		// Decorate test.simple to get startlevel 90 (which would otherwise be 110 within the assigned runstartlevel).
+		bndrun.setProperty("-runbundles+", "test.simple;startlevel=90");
+
+		List<? extends HeaderClause> runBundles = List.copyOf(bndrun.resolve(false, false, new NoopConverter<>()));
+
+		assertThat(runBundles).hasSize(2);
+		assertThat(runBundles.get(0)
+			.getName()).isEqualTo("osgi.enroute.junit.wrapper");
+		assertThat(runBundles.get(0)
+			.getAttribs()).containsEntry(Constants.RUNBUNDLES_STARTLEVEL_ATTRIBUTE, "100");
+		assertThat(runBundles.get(1)
+			.getName()).isEqualTo("test.simple");
+		assertThat(runBundles.get(1)
+			.getAttribs()).containsEntry(Constants.RUNBUNDLES_STARTLEVEL_ATTRIBUTE, "90");
+	}
+
 }