diff --git a/meta/recipes-core/busybox/busybox/defconfig b/meta/recipes-core/busybox/busybox/defconfig
index 3d36447c63..f3d545dc3f 100644
--- a/meta/recipes-core/busybox/busybox/defconfig
+++ b/meta/recipes-core/busybox/busybox/defconfig
@@ -1190,7 +1190,7 @@ CONFIG_ASH_CMDCMD=y
 # Options common to all shells
 #
 CONFIG_FEATURE_SH_MATH=y
-# CONFIG_FEATURE_SH_MATH_64 is not set
+CONFIG_FEATURE_SH_MATH_64=y
 CONFIG_FEATURE_SH_MATH_BASE=y
 CONFIG_FEATURE_SH_EXTRA_QUIET=y
 # CONFIG_FEATURE_SH_STANDALONE is not set