diff --git a/storm/CMakeLists.txt b/storm/CMakeLists.txt
index 88ea5ca..6e7d437 100644
--- a/storm/CMakeLists.txt
+++ b/storm/CMakeLists.txt
@@ -1,4 +1,4 @@
-file(GLOB STORM_SOURCES "*.cpp")
+file(GLOB_RECURSE STORM_SOURCES "*.cpp")
 
 add_library(storm STATIC
     ${STORM_SOURCES}