diff --git a/document/src/main/java/com/yahoo/document/ArrayDataType.java b/document/src/main/java/com/yahoo/document/ArrayDataType.java
index 05b578f7445..4bb53bf6f77 100644
--- a/document/src/main/java/com/yahoo/document/ArrayDataType.java
+++ b/document/src/main/java/com/yahoo/document/ArrayDataType.java
@@ -42,7 +42,7 @@ public Class getValueClass() {
     @Override
     public FieldPath buildFieldPath(String remainFieldName)
     {
-        if (remainFieldName.length() > 0 && remainFieldName.charAt(0) == '[') {
+        if (!remainFieldName.isEmpty() && remainFieldName.charAt(0) == '[') {
             int endPos = remainFieldName.indexOf(']');
             if (endPos == -1) {
                 throw new IllegalArgumentException("Array subscript must be closed with ]");
diff --git a/document/src/main/java/com/yahoo/document/CollectionDataType.java b/document/src/main/java/com/yahoo/document/CollectionDataType.java
index 98be8d4709f..0d328b6ee03 100644
--- a/document/src/main/java/com/yahoo/document/CollectionDataType.java
+++ b/document/src/main/java/com/yahoo/document/CollectionDataType.java
@@ -46,11 +46,9 @@ public PrimitiveDataType getPrimitiveType() {
 
     @Override
     public boolean isValueCompatible(FieldValue value) {
-        if (!(value instanceof CollectionFieldValue)) {
-            return false;
-        }
-        CollectionFieldValue<?> cfv = (CollectionFieldValue<?>) value;
-        return equals(cfv.getDataType());
+        if (!(value instanceof CollectionFieldValue<?> collectionValue)) return false;
+        if (collectionValue.getDataType().getClass() != this.getClass()) return false;
+        return collectionValue.getDataType().getNestedType().isAssignableTo(this.getNestedType());
     }
 
     @Override
diff --git a/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/EmbeddingScriptTestCase.java b/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/EmbeddingScriptTestCase.java
index 72b2ea87386..2ddfcc1670e 100644
--- a/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/EmbeddingScriptTestCase.java
+++ b/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/EmbeddingScriptTestCase.java
@@ -360,4 +360,18 @@ public void testArrayEmbedTo2MappedTensor() {
                 sparse2DTensor.getTensor().get());
     }
 
+    @Test
+    public void testIt() {
+        var tester = new EmbeddingScriptTester(Map.of("emb1", new EmbeddingScriptTester.MockMappedEmbedder("myDocument.sections_embeddings")));
+        var expression = tester.expressionFrom("input sections | for_each { ( _ || \"\") } | embed emb1 passage | attribute sections_embeddings | index sections_embeddings");
+
+        SimpleTestAdapter adapter = new SimpleTestAdapter();
+        adapter.createField(new Field("sections", new ArrayDataType(DataType.STRING)));
+        TensorType tensorType = TensorType.fromSpec("tensor(passage{}, token{})");
+        var tensorField = new Field("sections_embeddings", new TensorDataType(tensorType));
+        adapter.createField(tensorField);
+
+        expression.verify(new VerificationContext(adapter));
+    }
+
 }
diff --git a/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/ScriptTestCase.java b/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/ScriptTestCase.java
index 6ed3feb0230..c1c9f505f3a 100644
--- a/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/ScriptTestCase.java
+++ b/indexinglanguage/src/test/java/com/yahoo/vespa/indexinglanguage/ScriptTestCase.java
@@ -33,6 +33,7 @@
 
 /**
  * @author Simon Thoresen Hult
+ * @author bratseth
  */
 public class ScriptTestCase {