diff --git a/package/rng-tools/Config.in b/package/rng-tools/Config.in
index 43c5a1c2e5..469b60e89b 100644
--- a/package/rng-tools/Config.in
+++ b/package/rng-tools/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_RNG_TOOLS
 	bool "rng-tools"
-	select BR2_PACKAGE_ARGP_STANDALONE if BR2_TOOLCHAIN_USES_UCLIBC
+	select BR2_PACKAGE_ARGP_STANDALONE if BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_MUSL
 	# For rdrand ligcrypt is required and it's not obvious to users
 	select BR2_PACKAGE_LIBGCRYPT if BR2_i386 || BR2_x86_64
 	help
diff --git a/package/rng-tools/rng-tools.mk b/package/rng-tools/rng-tools.mk
index 8648c4f878..7e975e048e 100644
--- a/package/rng-tools/rng-tools.mk
+++ b/package/rng-tools/rng-tools.mk
@@ -9,8 +9,9 @@ RNG_TOOLS_SITE = http://downloads.sourceforge.net/project/gkernel/rng-tools/$(RN
 RNG_TOOLS_LICENSE = GPLv2
 RNG_TOOLS_LICENSE_FILES = COPYING
 
-# Work around for uClibc's lack of argp_*() functions
-ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
+# Work around for uClibc or musl toolchains which lack argp_*()
+# functions.
+ifeq ($(BR2_PACKAGE_ARGP_STANDALONE),y)
 RNG_TOOLS_CONF_ENV += LIBS="-largp"
 RNG_TOOLS_DEPENDENCIES += argp-standalone
 endif