diff --git a/CMakeLists.txt b/CMakeLists.txt
index d539b24..27a3df7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,7 +88,7 @@
     "1.60.0" "1.60" "1.61.0" "1.61" "1.62.0" "1.62" "1.63.0" "1.63" "1.64.0" "1.64"
     "1.65.0" "1.65" "1.66.0" "1.66" "1.67.0" "1.67" "1.68.0" "1.68" "1.69.0" "1.69"
 )
-find_package(Boost "1.35" COMPONENTS filesystem system)# thread)
+find_package(Boost "1.35" COMPONENTS filesystem system thread)
 
 if(NOT Boost_FOUND)
     message(FATAL_ERROR "Boost required to compile gr-gsm")