diff --git a/toolchain/uClibc/config-0.9.33.2/common b/toolchain/uClibc/config-0.9.33.2/common
index 4b21713eb3..d6b3d2c44c 100644
--- a/toolchain/uClibc/config-0.9.33.2/common
+++ b/toolchain/uClibc/config-0.9.33.2/common
@@ -49,7 +49,7 @@ MALLOC_GLIBC_COMPAT=y
 # MALLOC_SIMPLE is not set
 MALLOC_STANDARD=y
 MULTILIB_DIR="lib"
-# PTHREADS_DEBUG_SUPPORT is not set
+PTHREADS_DEBUG_SUPPORT=y
 RUNTIME_PREFIX="/"
 # SUPPORT_LD_DEBUG is not set
 # SUPPORT_LD_DEBUG_EARLY is not set