diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e52f457..a62fa6e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,7 +103,7 @@ include(GNUInstallDirs)
 target_include_directories(${PROJECT_NAME} PUBLIC
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/>"
     "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
-    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>/apriltag")
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/apriltag>")
 
 
 # install header file hierarchy