diff --git a/google-home/src/request/execute.rs b/google-home/src/request/execute.rs
index 0d67bcf..b3a640a 100644
--- a/google-home/src/request/execute.rs
+++ b/google-home/src/request/execute.rs
@@ -27,7 +27,10 @@ pub enum CommandType {
     OnOff { on: bool },
     #[serde(rename = "action.devices.commands.ActivateScene")]
     ActivateScene { deactivate: bool },
-    #[serde(rename = "action.devices.commands.SetFanSpeed")]
+    #[serde(
+        rename = "action.devices.commands.SetFanSpeed",
+        rename_all = "camelCase"
+    )]
     SetFanSpeed { fan_speed: String },
 }
 
@@ -36,6 +39,49 @@ mod tests {
     use super::*;
     use crate::request::{Intent, Request};
 
+    #[test]
+    fn deserialize_set_fan_speed() {
+        let json = r#"{
+  "requestId": "ff36a3cc-ec34-11e6-b1a0-64510650abcf",
+  "inputs": [
+    {
+      "intent": "action.devices.EXECUTE",
+      "payload": {
+        "commands": [
+          {
+            "devices": [],
+            "execution": [
+              {
+                "command": "action.devices.commands.SetFanSpeed",
+                "params": {
+                  "fanSpeed": "Test"
+                }
+              }
+            ]
+          }
+        ]
+      }
+    }
+  ]
+}"#;
+
+        let req: Request = serde_json::from_str(json).unwrap();
+
+        assert_eq!(req.inputs.len(), 1);
+        match &req.inputs[0] {
+            Intent::Execute(payload) => {
+                assert_eq!(payload.commands.len(), 1);
+                assert_eq!(payload.commands[0].devices.len(), 0);
+                assert_eq!(payload.commands[0].execution.len(), 1);
+                match &payload.commands[0].execution[0] {
+                    CommandType::SetFanSpeed { fan_speed } => assert_eq!(fan_speed, "Test"),
+                    _ => panic!("Expected SetFanSpeed"),
+                }
+            }
+            _ => panic!("Expected Execute intent"),
+        };
+    }
+
     #[test]
     fn deserialize() {
         let json = r#"{