diff --git a/external/InstallPoolSTL.cmake b/external/InstallPoolSTL.cmake
index 8fe1225361c9b9d7ad99374bf1bd7416646c8c1e..a60ebd81b07a38f7decc15b6db831f7819f97877 100644
--- a/external/InstallPoolSTL.cmake
+++ b/external/InstallPoolSTL.cmake
@@ -19,3 +19,7 @@ target_include_directories(poolstl SYSTEM INTERFACE
   $<BUILD_INTERFACE:${POOLSTL_INCLUDE_DIRS}>
   $<INSTALL_INTERFACE:include>
 )
+
+Install(DIRECTORY ${POOLSTL_INCLUDE_DIRS}/poolstl
+        DESTINATION include
+       )