diff --git a/package/postgresql/Config.in b/package/postgresql/Config.in
index e9b8f48d4a..9dda54bf9f 100644
--- a/package/postgresql/Config.in
+++ b/package/postgresql/Config.in
@@ -19,4 +19,5 @@ config BR2_PACKAGE_POSTGRESQL
 	  http://www.postgresql.org
 
 comment "postgresql needs a toolchain w/ dynamic library"
+	depends on BR2_USE_MMU
 	depends on BR2_STATIC_LIBS