diff --git a/lib/theme.h b/lib/theme.h
index bb62226..7b69238 100644
--- a/lib/theme.h
+++ b/lib/theme.h
@@ -8,6 +8,11 @@
 
 namespace Material
 {
+    enum ProgressType {
+        DeterminateProgress,
+        IndeterminateProgress
+    };
+
     enum AvatarType {
         ImageAvatar,
         IconAvatar,