diff --git a/src/PROPOSAL/Config.cmake.in b/src/PROPOSAL/Config.cmake.in
index a9e71ed8..5c03a173 100644
--- a/src/PROPOSAL/Config.cmake.in
+++ b/src/PROPOSAL/Config.cmake.in
@@ -20,6 +20,6 @@ set (PROPOSAL_VERSION_MAJOR "@PROPOSAL_VERSION_MAJOR@")
 set (PROPOSAL_VERSION_MINOR "@PROPOSAL_VERSION_MINOR@")
 set (PROPOSAL_VERSION_PATCH "@PROPOSAL_VERSION_PATCH@")
 
-set_and_check(PROPOSAL_INCLUDE_DIR  "@PACKAGE_PREFIX_DIR@/@CMAKE_INSTALL_INCLUDEDIR@")
-set_and_check(PROPOSAL_INCLUDE_DIRS "@PACKAGE_PREFIX_DIR@/@CMAKE_INSTALL_INCLUDEDIR@")
-set_and_check(PROPOSAL_LIBRARIES    "@PACKAGE_PREFIX_DIR@/@CMAKE_INSTALL_LIBDIR@/$<TARGET_FILE_NAME:PROPOSAL>")
+set_and_check(PROPOSAL_INCLUDE_DIR  "@CMAKE_INSTALL_PREFIX@/include")
+set_and_check(PROPOSAL_INCLUDE_DIRS "@CMAKE_INSTALL_PREFIX@/include")
+set_and_check(PROPOSAL_LIBRARIES    "@CMAKE_INSTALL_PREFIX@/lib")