diff --git a/cmake/TargetAddRpath.cmake b/cmake/TargetAddRpath.cmake
index 03542231..397014ab 100644
--- a/cmake/TargetAddRpath.cmake
+++ b/cmake/TargetAddRpath.cmake
@@ -179,7 +179,7 @@ function(target_add_rpath)
 
     set_target_properties(
       ${_target}
-      PROPERTIES INSTALL_RPATH ${_install_rpath}
+      PROPERTIES INSTALL_RPATH "${_install_rpath}"
                  INSTALL_RPATH_USE_LINK_PATH ${_ARGS_USE_LINK_PATH}
                  BUILD_WITH_INSTALL_RPATH TRUE
                  MACOSX_RPATH ON # This is ON by default.