diff --git a/package/jitterentropy-library/Config.in b/package/jitterentropy-library/Config.in
index 02f8ff6164..f9ae1bac5a 100644
--- a/package/jitterentropy-library/Config.in
+++ b/package/jitterentropy-library/Config.in
@@ -1,6 +1,10 @@
 config BR2_PACKAGE_JITTERENTROPY_LIBRARY
 	bool "libjitterentropy"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  Hardware RNG based on CPU timing jitter.
 
 	  https://github.com/smuellerDD/jitterentropy-library
+
+comment "libjitterentropy needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS