1 files changed, 1 insertions, 0 deletions
diff --git a/libkms++/decls.h b/libkms++/decls.h
index f9753f2..851a8c2 100644
--- a/libkms++/decls.h
+++ b/libkms++/decls.h
@@ -11,6 +11,7 @@ class Framebuffer;
 class DumbFramebuffer;
 class ExtFramebuffer;
 class DrmObject;
+class PageFlipHandlerBase;
 class Plane;
 class Property;
 class Videomode;