1 files changed, 3 insertions, 0 deletions
diff --git a/Project/ControlEditor.h b/Project/ControlEditor.h
index c9f47f8..4713f1d 100644
--- a/Project/ControlEditor.h
+++ b/Project/ControlEditor.h
@@ -15,6 +15,9 @@ class ControlElement;
 class TransferFunction;
 class ConnectionLine;
 class Sum;
+class Multiplier;
+class Limiter;
+class RateLimiter;
 
 enum ControlElementButtonID { ID_IO = 0, ID_TF, ID_SUM, ID_CONST, ID_LIMITER, ID_GAIN, ID_MULT, ID_SAT, ID_RATELIM };