diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index 2b862ea80208..35f4168e1ef9 100644
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,14 @@
+2017-10-17  Carlos Garcia Campos  <cgarcia@igalia.com>
+
+        [GTK][Stable] BackingStoreBackendCairoImpl.h:23:10: fatal error: WebCore/HysteresisActivity.h
+        https://bugs.webkit.org/show_bug.cgi?id=178407
+
+        Reviewed by Žan Doberšek.
+
+        Do not use #include <WebCore/Foo.h> inside WebCore.
+
+        * platform/graphics/cairo/BackingStoreBackendCairoImpl.h:
+
 2017-08-17  Zan Dobersek  <zdobersek@igalia.com>
 
         [GStreamer] GstStructure shouldn't be handled through GRefPtr
diff --git a/Source/WebCore/platform/graphics/cairo/BackingStoreBackendCairoImpl.h b/Source/WebCore/platform/graphics/cairo/BackingStoreBackendCairoImpl.h
index 4537d3518828..f39cec173e71 100644
--- a/Source/WebCore/platform/graphics/cairo/BackingStoreBackendCairoImpl.h
+++ b/Source/WebCore/platform/graphics/cairo/BackingStoreBackendCairoImpl.h
@@ -20,7 +20,7 @@
 
 #if USE(CAIRO)
 #include "BackingStoreBackendCairo.h"
-#include <WebCore/HysteresisActivity.h>
+#include "HysteresisActivity.h"
 
 namespace WebCore {
 
@@ -33,7 +33,7 @@ class BackingStoreBackendCairoImpl final : public BackingStoreBackendCairo {
     void scroll(const IntRect&, const IntSize&) override;
 
     RefPtr<cairo_surface_t> m_scrollSurface;
-    WebCore::HysteresisActivity m_scrolledHysteresis;
+    HysteresisActivity m_scrolledHysteresis;
 };
 
 } // namespace WebCore