diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4158267..64ad5b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,7 +135,7 @@ endif ()
 
 add_subdirectory(src)
 if ( FTDIPP )
-  project(libftdipp1 C CXX)
+  enable_language(CXX)
   add_subdirectory(ftdipp)
 endif ()
 if ( PYTHON_BINDINGS )
@@ -192,6 +192,7 @@ list ( APPEND LIBFTDI_STATIC_LIBRARIES ${LIBUSB_LIBRARIES} )
 if ( FTDIPP )
   set ( LIBFTDIPP_LIBRARY ftdipp1 )
   set ( LIBFTDIPP_LIBRARIES ${LIBFTDIPP_LIBRARY} )
+  list ( APPEND LIBFTDI_INCLUDE_DIRS ${Boost_INCLUDE_DIRS} )
   list ( APPEND LIBFTDIPP_LIBRARIES ${LIBUSB_LIBRARIES} )
 endif ()
 set ( LIBFTDI_LIBRARY_DIRS ${libdir} )
@@ -203,6 +204,7 @@ set ( LIBFTDI_ROOT_DIR ${prefix} )
 set ( LIBFTDI_VERSION_STRING ${VERSION_STRING} )
 set ( LIBFTDI_VERSION_MAJOR ${MAJOR_VERSION} )
 set ( LIBFTDI_VERSION_MINOR ${MINOR_VERSION} )
+set ( LIBFTDIPP_LIBRARIES ${LIBFTDIPP_LIBRARY} ${LIBFTDI_LIBRARIES})
 
 set ( LIBFTDI_USE_FILE ${CMAKE_INSTALL_PREFIX}/${LIBFTDI_CMAKE_CONFIG_DIR}/UseLibFTDI1.cmake )
 
diff --git a/libftdipp1.pc.in b/libftdipp1.pc.in
index 8158f38..b4fff0a 100644
--- a/libftdipp1.pc.in
+++ b/libftdipp1.pc.in
@@ -8,4 +8,4 @@ Description: C++ wrapper for libftdi1
 Requires: libftdi1
 Version: @VERSION@
 Libs: -L${libdir} -lftdipp1
-Cflags: -I${includedir}
+Cflags: -I${includedir} -I${prefix}/include