diff --git a/package/uboot-tools/Config.in b/package/uboot-tools/Config.in
index e8bbf3a16e..4ccef30973 100644
--- a/package/uboot-tools/Config.in
+++ b/package/uboot-tools/Config.in
@@ -68,12 +68,17 @@ config BR2_PACKAGE_UBOOT_TOOLS_MKIMAGE
 
 config BR2_PACKAGE_UBOOT_TOOLS_MKEFICAPSULE
 	bool "mkeficapsule"
+	depends on !BR2_STATIC_LIBS # gnutls
+	depends on BR2_USE_WCHAR # gnutls
 	help
 	  Install the mkeficapsule tool on the target system
 
 	  The mkeficapsule tool from Das U-Boot bootloader, which allows
 	  generation of UEFI capsule binaries.
 
+comment "mkeficapsule support needs a toolchain w/ wchar, dynamic library"
+	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
+
 config BR2_PACKAGE_UBOOT_TOOLS_MKENVIMAGE
 	bool "mkenvimage"
 	help