diff --git a/speech-dispatcher/src/lib.rs b/speech-dispatcher/src/lib.rs
index 37f617f..38f11a0 100644
--- a/speech-dispatcher/src/lib.rs
+++ b/speech-dispatcher/src/lib.rs
@@ -32,14 +32,14 @@ pub enum Priority {
 #[derive(Clone, Copy, Debug)]
 #[repr(u32)]
 pub enum VoiceType {
-    Male1 = SPDVoiceType::SPD_MALE1,
-    Male2 = SPDVoiceType::SPD_MALE2,
-    Male3 = SPDVoiceType::SPD_MALE3,
-    Female1 = SPDVoiceType::SPD_FEMALE1,
-    Female2 = SPDVoiceType::SPD_FEMALE2,
-    Female3 = SPDVoiceType::SPD_FEMALE3,
-    ChildMale = SPDVoiceType::SPD_CHILD_MALE,
-    ChildFemale = SPDVoiceType::SPD_CHILD_FEMALE,
+    Male1 = SPDVoiceType::SPD_MALE1 as u32,
+    Male2 = SPDVoiceType::SPD_MALE2 as u32,
+    Male3 = SPDVoiceType::SPD_MALE3 as u32,
+    Female1 = SPDVoiceType::SPD_FEMALE1 as u32,
+    Female2 = SPDVoiceType::SPD_FEMALE2 as u32,
+    Female3 = SPDVoiceType::SPD_FEMALE3 as u32,
+    ChildMale = SPDVoiceType::SPD_CHILD_MALE as u32,
+    ChildFemale = SPDVoiceType::SPD_CHILD_FEMALE as u32,
 }
 
 #[derive(Clone, Debug, Hash, PartialEq)]