diff --git a/package/cbootimage/Config.in b/package/cbootimage/Config.in
index 1a7fef0b39..b798e5d988 100644
--- a/package/cbootimage/Config.in
+++ b/package/cbootimage/Config.in
@@ -1,9 +1,16 @@
 config BR2_PACKAGE_CBOOTIMAGE
 	bool "cbootimage"
 	depends on BR2_arm || BR2_armeb
+	# uses non-standard u_intXX_t types
+	# https://github.com/NVIDIA/cbootimage/pull/7
+	depends on !BR2_TOOLCHAIN_USES_MUSL
 	help
 	  This project provides a tool which compiles BCT (Boot
 	  Configuration Table) images to place into the boot flash of
 	  a Tegra-based device.
 
 	  https://github.com/NVIDIA/cbootimage
+
+comment "cbootimage needs a glibc or uClibc toolchain"
+	depends on BR2_arm || BR2_armeb
+	depends on BR2_TOOLCHAIN_USES_MUSL