diff --git a/src/idlc/CMakeLists.txt b/src/idlc/CMakeLists.txt
index a6b2ea2..1d50a05 100644
--- a/src/idlc/CMakeLists.txt
+++ b/src/idlc/CMakeLists.txt
@@ -12,10 +12,10 @@
 # Verify Maven is available
 find_package(Maven 3.0 REQUIRED)
 
-file(GLOB_RECURSE IDLC_G_SOURCES LIST_DIRECTORIES true *.g)
-file(GLOB_RECURSE IDLC_G4_SOURCES LIST_DIRECTORIES true *.g4)
-file(GLOB_RECURSE IDLC_JAVA_SOURCES LIST_DIRECTORIES true *.java)
-file(GLOB_RECURSE IDLC_ST_SOURCES LIST_DIRECTORIES true *.st?)
+file(GLOB_RECURSE IDLC_G_SOURCES    LIST_DIRECTORIES false *.g)
+file(GLOB_RECURSE IDLC_G4_SOURCES   LIST_DIRECTORIES false *.g4)
+file(GLOB_RECURSE IDLC_JAVA_SOURCES LIST_DIRECTORIES false *.java)
+file(GLOB_RECURSE IDLC_ST_SOURCES   LIST_DIRECTORIES false *.st?)
 
 set(IDLC_JAR "${CMAKE_CURRENT_BINARY_DIR}/target/idlc-jar-with-dependencies.jar")
 mark_as_advanced(IDLC_JAR)