diff --git a/arm_compute/runtime/CL/functions/CLColorConvert.h b/arm_compute/runtime/CL/functions/CLColorConvert.h
index e4017c2..47bcabf 100644
--- a/arm_compute/runtime/CL/functions/CLColorConvert.h
+++ b/arm_compute/runtime/CL/functions/CLColorConvert.h
@@ -28,6 +28,7 @@
 
 namespace arm_compute
 {
+class CLCompileContext;
 class ICLMultiImage;
 class ICLTensor;
 using ICLImage = ICLTensor;