diff --git a/sources/uClibc.config b/sources/uClibc.config
index d1f436f2bc..70415fcc3b 100644
--- a/sources/uClibc.config
+++ b/sources/uClibc.config
@@ -37,7 +37,9 @@ HAVE_SHARED=y
 BUILD_UCLIBC_LDSO=y
 LDSO_LDD_SUPPORT=y
 UCLIBC_CTOR_DTOR=y
+# UCLIBC_PROFILING is not set
 UCLIBC_HAS_THREADS=y
+PTHREADS_DEBUG_SUPPORT=y
 UCLIBC_HAS_LFS=y
 # MALLOC is not set
 MALLOC_930716=y