diff --git a/package/rt-tests/Config.in b/package/rt-tests/Config.in
index 12e084e20c..08967ce822 100644
--- a/package/rt-tests/Config.in
+++ b/package/rt-tests/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_RT_TESTS
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
 	depends on BR2_USE_MMU # fork()
 	depends on !BR2_STATIC_LIBS # dlopen
+	depends on !BR2_TOOLCHAIN_USES_MUSL # cyclictest
 	help
 	  Set of utilities for testing the real-time behaviour of a
 	  Linux system.
@@ -27,6 +28,7 @@ comment "rt-tests may not work on MIPS with an external uClibc toolchain"
 	depends on BR2_TOOLCHAIN_EXTERNAL_UCLIBC
 	depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
 
-comment "rt-tests needs a toolchain w/ NPTL, dynamic library"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS
+comment "rt-tests needs a uClibc or glibc toolchain w/ NPTL, dynamic library"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS \
+		|| BR2_TOOLCHAIN_USES_MUSL
 	depends on BR2_USE_MMU