diff --git a/arc-core/src/arc/util/serialization/Json.java b/arc-core/src/arc/util/serialization/Json.java
index 1773deec..58a91515 100644
--- a/arc-core/src/arc/util/serialization/Json.java
+++ b/arc-core/src/arc/util/serialization/Json.java
@@ -603,7 +603,6 @@ public void writeValue(Object value, Class knownType, Class elementType){
                 writeObjectEnd();
                 return;
             }
-
             if(value instanceof ObjectIntMap){
                 if(knownType == null) knownType = ObjectIntMap.class;
                 writeObjectStart(actualType, knownType);
@@ -614,6 +613,16 @@ public void writeValue(Object value, Class knownType, Class elementType){
                 writeObjectEnd();
                 return;
             }
+            if(value instanceof ObjectFloatMap){
+                if(knownType == null) knownType = ObjectFloatMap.class;
+                writeObjectStart(actualType, knownType);
+                for(ObjectFloatMap.Entry entry : ((ObjectFloatMap<?>)value).entries()){
+                    writer.name(convertToString(entry.key));
+                    writer.value(entry.value);
+                }
+                writeObjectEnd();
+                return;
+            }
             if(value instanceof IntMap){
                 if(knownType == null) knownType = IntMap.class;
                 writeObjectStart(actualType, knownType);
@@ -1062,6 +1071,14 @@ public <T> T readValue(Class<T> type, Class elementType, JsonValue jsonData, Cla
 
                     return (T)result;
                 }
+                if(object instanceof ObjectFloatMap){
+                    ObjectFloatMap result = (ObjectFloatMap)object;
+                    for(JsonValue child = jsonData.child; child != null; child = child.next){
+                        result.put(elementType != null ? readValue(elementType, null, new JsonValue(child.name)) : child.name, child.asFloat());
+                    }
+
+                    return (T)result;
+                }
                 if(object instanceof IntMap){
                     IntMap result = (IntMap)object;
                     for(JsonValue child = jsonData.child; child != null; child = child.next){