diff --git a/core/src/main/java/lucee/runtime/functions/arrays/ArrayToStruct.java b/core/src/main/java/lucee/runtime/functions/arrays/ArrayToStruct.java
index 510442f379..188ac49d16 100644
--- a/core/src/main/java/lucee/runtime/functions/arrays/ArrayToStruct.java
+++ b/core/src/main/java/lucee/runtime/functions/arrays/ArrayToStruct.java
@@ -44,7 +44,7 @@ public static Struct call(PageContext pc, Array arr, boolean valueAsKey) throws
 		Entry<Key, Object> e;
 		while (it.hasNext()) {
 			e = it.next();
-			if (valueAsKey) sct.set(Caster.toKey(e.getValue()), e.getKey().getString());
+			if (valueAsKey) sct.set(Caster.toKey(e.getValue()), Caster.toDouble(e.getKey()));
 			else sct.set(e.getKey(), e.getValue());
 		}
 		return sct;