diff --git a/toolchain/uClibc/uClibc-0.9.32.config b/toolchain/uClibc/uClibc-0.9.32.config
index e9f942d63b..7f21f1c302 100644
--- a/toolchain/uClibc/uClibc-0.9.32.config
+++ b/toolchain/uClibc/uClibc-0.9.32.config
@@ -223,7 +223,7 @@ UCLIBC_HAS_FTW=y
 UCLIBC_HAS_FTS=y
 UCLIBC_HAS_GLOB=y
 UCLIBC_HAS_GNU_GLOB=y
-# UCLIBC_HAS_UTMPX is not set
+UCLIBC_HAS_UTMPX=y
 
 #
 # Library Installation Options
diff --git a/toolchain/uClibc/uClibc-0.9.33.config b/toolchain/uClibc/uClibc-0.9.33.config
index 2a6754c8d6..7e4e7503df 100644
--- a/toolchain/uClibc/uClibc-0.9.33.config
+++ b/toolchain/uClibc/uClibc-0.9.33.config
@@ -233,7 +233,7 @@ UCLIBC_HAS_FTW=y
 # UCLIBC_HAS_FTS is not set
 UCLIBC_HAS_GLOB=y
 UCLIBC_HAS_GNU_GLOB=y
-# UCLIBC_HAS_UTMPX is not set
+UCLIBC_HAS_UTMPX=y
 
 #
 # Library Installation Options
diff --git a/toolchain/uClibc/uClibc-snapshot.config b/toolchain/uClibc/uClibc-snapshot.config
index 2a6754c8d6..7e4e7503df 100644
--- a/toolchain/uClibc/uClibc-snapshot.config
+++ b/toolchain/uClibc/uClibc-snapshot.config
@@ -233,7 +233,7 @@ UCLIBC_HAS_FTW=y
 # UCLIBC_HAS_FTS is not set
 UCLIBC_HAS_GLOB=y
 UCLIBC_HAS_GNU_GLOB=y
-# UCLIBC_HAS_UTMPX is not set
+UCLIBC_HAS_UTMPX=y
 
 #
 # Library Installation Options