diff --git a/share/itertoolsvars.sh.in b/share/itertoolsvars.sh.in
index 1d59bfe..b0ba52a 100644
--- a/share/itertoolsvars.sh.in
+++ b/share/itertoolsvars.sh.in
@@ -2,8 +2,8 @@
 
 export @PROJECT_NAME@_ROOT=@CMAKE_INSTALL_PREFIX@
 
-export CPLUS_INCLUDE_PATH=@CMAKE_INSTALL_FULL_INCLUDEDIR@:$CPLUS_INCLUDE_PATH
-export PATH=@CMAKE_INSTALL_FULL_BINDIR@:$PATH
+export CPLUS_INCLUDE_PATH=@CMAKE_INSTALL_PREFIX@/include:$CPLUS_INCLUDE_PATH
+export PATH=@CMAKE_INSTALL_PREFIX@/bin:$PATH
 export LIBRARY_PATH=@CMAKE_INSTALL_FULL_LIBDIR@:$LIBRARY_PATH
 export LD_LIBRARY_PATH=@CMAKE_INSTALL_FULL_LIBDIR@:$LD_LIBRARY_PATH
 export CMAKE_PREFIX_PATH=@CMAKE_INSTALL_PREFIX@:$CMAKE_PREFIX_PATH