diff --git a/krita.spec b/krita.spec
index d1899ab..7665a01 100644
--- a/krita.spec
+++ b/krita.spec
@@ -23,6 +23,7 @@ License:        GPL-2.0+ and LGPL-2.1+
 Group:          Productivity/Office/Suite
 Url:            http://www.krita.org/
 Source0:        http://download.kde.org/stable/krita/%{version}/krita-%{version}.tgz
+Source99:       %{name}.changes
 BuildRequires:  Mesa-devel
 BuildRequires:  OpenColorIO-devel
 BuildRequires:  OpenEXR-devel
@@ -101,6 +102,13 @@ Krita is the image manipulation application of the Calligra Suite.
 %prep
 %setup -q -n krita-%{version}
 
+# Remove build time references so build-compare can do its work
+FAKE_BUILDDATE=$(LC_ALL=C date -u -r %{SOURCE99} '+%%b %%e %%Y')
+FAKE_TIME=$(LC_ALL=C date -u -r %{SOURCE99} '+%%H:%%M')
+sed -i "s/__DATE__/\"$FAKE_BUILDDATE\"/" plugins/extensions/gmic/3rdparty/gmic/CImg.h
+sed -i "s/__TIME__/\"$FAKE_TIME\"/" plugins/extensions/gmic/3rdparty/gmic/CImg.h
+
+
 %build
 %cmake_kf5 -d build 
 %make_jobs