diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8142c23..0c1eeea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,7 @@ include(${CMAKE_TOOLCHAIN_FILE})
 ###############################################################################
 # Adds picolibc
 #set(CMAKE_SYSTEM_PROCESSOR riscv)
+set(__THREAD_LOCAL_STORAGE OFF)
 add_subdirectory(third-party/picolibc)
 #add_subdirectory(picolibc/semihost)
 target_link_libraries(c PUBLIC gcc)