diff --git a/COAST/CMakeLists.txt b/COAST/CMakeLists.txt
index 2aae4eb262f78513a0bb5312a6c3e5b972c56bb1..7a8c67e39c09317ad1d6245e0f536d6503c0f924 100644
--- a/COAST/CMakeLists.txt
+++ b/COAST/CMakeLists.txt
@@ -45,7 +45,12 @@ target_include_directories (
   PUBLIC
   $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
   $<INSTALL_INTERFACE:include/include>
-  SYSTEM 
+  )
+
+target_include_directories (
+  COAST
+  SYSTEM
+  PUBLIC
   $ENV{COAST_DIR}/include
   )