diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36e0bab..2a690fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,7 +79,10 @@ set(QOLM_VERSION ${QOLM_VERSION_MAJOR}.${QOLM_VERSION_MINOR}.${QOLM_VERSION_PATC
 # ───── PROJECT ─────
 
 project(${QOLM_PROJECT} VERSION ${QOLM_VERSION} LANGUAGES CXX)
-set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+
+if(QOLM_MAIN_PROJECT)
+  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+endif()
 
 # ───── CONFIG ─────