diff --git a/poky/meta-poky/recipes-core/busybox/busybox/poky-tiny/defconfig b/poky/meta-poky/recipes-core/busybox/busybox/poky-tiny/defconfig
index b0fb88a..6e9faa4 100644
--- a/poky/meta-poky/recipes-core/busybox/busybox/poky-tiny/defconfig
+++ b/poky/meta-poky/recipes-core/busybox/busybox/poky-tiny/defconfig
@@ -1160,7 +1160,7 @@
 #
 # Options common to all shells
 #
-# CONFIG_FEATURE_SH_MATH is not set
+CONFIG_FEATURE_SH_MATH=y
 # CONFIG_FEATURE_SH_MATH_64 is not set
 # CONFIG_FEATURE_SH_MATH_BASE is not set
 CONFIG_FEATURE_SH_EXTRA_QUIET=y