diff --git a/libuavcan/CMakeLists.txt b/libuavcan/CMakeLists.txt
index d5827313b5..d27c89d68c 100644
--- a/libuavcan/CMakeLists.txt
+++ b/libuavcan/CMakeLists.txt
@@ -31,7 +31,7 @@ endif ()
 # DSDL compiler invocation
 # Probably output files should be saved into CMake output dir?
 #
-execute_process(COMMAND ./setup.py build WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler)
+execute_process(COMMAND ./setup.py build WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler OUTPUT_QUIET)
 set(DSDLC_INPUTS "test/dsdl_test/root_ns_a" "test/dsdl_test/root_ns_b" "${CMAKE_CURRENT_SOURCE_DIR}/../dsdl/uavcan")
 set(DSDLC_OUTPUT "include/dsdlc_generated")