diff --git a/dataquay-includedir.patch b/dataquay-includedir.patch
new file mode 100644
index 0000000..62b9823
--- /dev/null
+++ b/dataquay-includedir.patch
@@ -0,0 +1,10 @@
+Index: dataquay-0.9.1/deploy/dataquay.pc.in
+===================================================================
+--- dataquay-0.9.1.orig/deploy/dataquay.pc.in
++++ dataquay-0.9.1/deploy/dataquay.pc.in
+@@ -7,4 +7,4 @@ Name: dataquay
+ Version: 0.9.1
+ Description: C++ API for an RDF data store using Qt4 classes and containers
+ Libs: -L${libdir} -ldataquay %EXTRALIBS%
+-Cflags: -I${includedir} 
++Cflags: -I${includedir} -I${includedir}/dataquay
diff --git a/dataquay.changes b/dataquay.changes
index b45a251..fabe3e2 100644
--- a/dataquay.changes
+++ b/dataquay.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jul 17 16:08:03 UTC 2018 - aloisio@gmx.com
+
+- Added dataquay-includedir.patch
+
 -------------------------------------------------------------------
 Fri Sep  8 22:06:58 UTC 2017 - jengelh@inai.de
 
diff --git a/dataquay.spec b/dataquay.spec
index 01e0aff..d653394 100644
--- a/dataquay.spec
+++ b/dataquay.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package dataquay
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 # Copyright (c) 2012 Pascal Bleser <pascal.bleser@opensuse.org>
 #
 # All modifications and additions to the file contributed by third parties
@@ -29,6 +29,8 @@ Source:         http://breakfastquay.com/files/releases/%{name}-%{version}.tar.b
 Patch1:         dataquay-lib64.patch
 Patch2:         dataquay-redland.patch
 Patch4:         dataquay-sharedlib.patch
+# PATCH-FIX-OPENSUSE dataquay-includedir.patch aloisio@gmx.co -- add dataquay subdir to include path
+Patch5:         dataquay-includedir.patch
 BuildRequires:  gcc-c++
 BuildRequires:  libqt5-qtbase-common-devel
 BuildRequires:  pkgconfig
@@ -64,6 +66,7 @@ applications that want to make use of dataquay.
 %patch1 -p1
 %patch2 -p1
 %patch4 -p1
+%patch5 -p1
 
 %build
 %qmake5 PREFIX=%{_prefix} LIBDIR=%{_libdir} dataquay.pro