diff --git a/package/linux-pam/Config.in b/package/linux-pam/Config.in
index 84aee5cdd4..931cfdeccf 100644
--- a/package/linux-pam/Config.in
+++ b/package/linux-pam/Config.in
@@ -11,5 +11,6 @@ config BR2_PACKAGE_LINUX_PAM
 	  http://linux-pam.org
 
 comment "linux-pam needs a toolchain w/ wchar, locale, dynamic library"
+	depends on BR2_USE_MMU
 	depends on !(BR2_ENABLE_LOCALE && BR2_USE_WCHAR) \
 		|| BR2_STATIC_LIBS