diff --git a/package/olsr/Config.in b/package/olsr/Config.in
index 85c5b4da1f..632511fba9 100644
--- a/package/olsr/Config.in
+++ b/package/olsr/Config.in
@@ -3,9 +3,8 @@ config BR2_PACKAGE_OLSR
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on !BR2_STATIC_LIBS
-	# doesn't build with musl,
 	# https://github.com/OLSR/olsrd/issues/6
-	depends on !BR2_TOOLCHAIN_USES_MUSL
+	depends on !BR2_TOOLCHAIN_USES_MUSL || BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15
 	help
 	  The Optimized Link State Routing protocol (OLSR) is a
 	  routing protocol that is optimised for mobile ad-hoc
@@ -16,7 +15,10 @@ config BR2_PACKAGE_OLSR
 
 	  http://www.olsr.org/
 
-comment "olsr needs a uClibc or glibc toolchain w/ threads, dynamic library"
+comment "olsr needs a toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS || \
-		BR2_TOOLCHAIN_USES_MUSL
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
+
+comment "olsr needs a musl toolchain w/ headers >= 4.15"
+	depends on BR2_TOOLCHAIN_USES_MUSL
+	depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15