diff --git a/evolution-data-server-3.33.90-cflags-to-gtkdoc-scangobj.patch b/evolution-data-server-3.33.90-cflags-to-gtkdoc-scangobj.patch
new file mode 100644
index 0000000..7faea0d
--- /dev/null
+++ b/evolution-data-server-3.33.90-cflags-to-gtkdoc-scangobj.patch
@@ -0,0 +1,12 @@
+diff --git a/cmake/modules/GtkDoc.cmake b/cmake/modules/GtkDoc.cmake
+index 0ba1a7a78..2dfc4d691 100644
+--- a/cmake/modules/GtkDoc.cmake
++++ b/cmake/modules/GtkDoc.cmake
+@@ -98,6 +98,7 @@ macro(add_gtkdoc _module _namespace _deprecated_guards _srcdirsvar _depsvar _ign
+ 
+ 	# Add it as the last, thus in-tree headers have precedence
+ 	list(APPEND _scangobj_cflags_list -I${INCLUDE_INSTALL_DIR})
++	list(APPEND _scangobj_cflags_list ${CMAKE_C_FLAGS})
+ 
+ 	if(_scangobj_deps)
+ 		list(REMOVE_DUPLICATES _scangobj_deps)
diff --git a/evolution-data-server.spec b/evolution-data-server.spec
index 403fc6f..b194c12 100644
--- a/evolution-data-server.spec
+++ b/evolution-data-server.spec
@@ -39,7 +39,7 @@ License: LGPLv2+
 URL: https://wiki.gnome.org/Apps/Evolution
 Source: http://download.gnome.org/sources/%{name}/3.33/%{name}-%{version}.tar.xz
 
-### Patches ###
+Patch01: evolution-data-server-3.33.90-cflags-to-gtkdoc-scangobj.patch
 
 Provides: evolution-webcal = %{version}
 Obsoletes: evolution-webcal < 2.24.0
@@ -167,6 +167,7 @@ the functionality of the installed %{name} package.
 
 %prep
 %setup -q
+%patch01 -p1 -b .cflags-to-gtkdoc-scangobj
 
 %build