diff --git a/cmake/pkg/dune-istl-config.cmake.in b/cmake/pkg/dune-istl-config.cmake.in
index 1805f3e16a2beaf685a79592128c5105b5de0b28..43ed3a937e99ea9cde7a097d426cc8751d3d5113 100644
--- a/cmake/pkg/dune-istl-config.cmake.in
+++ b/cmake/pkg/dune-istl-config.cmake.in
@@ -16,5 +16,5 @@ set(@DUNE_MOD_NAME@_CXX_FLAGS_RELEASE "@CMAKE_CXX_FLAGS_RELEASE@")
 set(@DUNE_MOD_NAME@_CXX_FLAGS_RELWITHDEBINFO "@CMAKE_CXX_FLAGS_RELWITHDEBINFO@")
 set(@DUNE_MOD_NAME@_DEPENDS "@DUNE_DEPENDS@")
 set(@DUNE_MOD_NAME@_SUGGESTS "@DUNE_SUGGESTS@")
-set(@DUNE_MOD_NAME@_MODULE_PATH "@DUNE_INSTALL_MODULEDIR@")
+set(@DUNE_MOD_NAME@_MODULE_PATH "${_prefix}/@DUNE_INSTALL_MODULEDIR@")
 endif(NOT @DUNE_MOD_NAME@_FOUND)
\ No newline at end of file