diff --git a/android/src/main/java/com/emarsys/rnwrapper/MapUtil.java b/android/src/main/java/com/emarsys/rnwrapper/MapUtil.java
index e4efff7..0e871e7 100644
--- a/android/src/main/java/com/emarsys/rnwrapper/MapUtil.java
+++ b/android/src/main/java/com/emarsys/rnwrapper/MapUtil.java
@@ -29,6 +29,8 @@ public static void mapPutNullable(WritableMap map, String key, Object value) {
 			map.putBoolean(key, (Boolean) value);
 		} else if (value instanceof Integer) {
 			map.putInt(key, (Integer) value);
+		} else if (value instanceof Long) {
+			map.putDouble(key, ((Long) value).doubleValue());
 		} else if (value instanceof Double) {
 			map.putDouble(key, (Double) value);
 		} else if (value instanceof Float) {