diff --git a/source/resource/particles/particles.json b/source/resource/particles/particles.json
index 38bd62cd..585778e9 100644
--- a/source/resource/particles/particles.json
+++ b/source/resource/particles/particles.json
@@ -87,7 +87,7 @@
                 "description": "The type of curve",
                 "enum": ["linear", "bezier", "bezier_chain", "catmull_rom"]
               },
-              "horizontal_range": { "type": "string", "title": "Horizontal Range", "description": "What is the range the input is mapped onto" }
+              "horizontal_range": { "type": "number", "title": "Horizontal Range", "description": "What is the range the input is mapped onto" }
             }
           }
         },