diff --git a/package/fastd/Config.in b/package/fastd/Config.in
index 4170ea10a8..f753ce4817 100644
--- a/package/fastd/Config.in
+++ b/package/fastd/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_FASTD
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 # libcap
+	depends on !BR2_STATIC_LIBS # libuecc
 	select BR2_PACKAGE_LIBUECC
 	select BR2_PACKAGE_LIBSODIUM
 	select BR2_PACKAGE_LIBCAP
@@ -22,7 +23,8 @@ config BR2_PACKAGE_FASTD_STATUS_SOCKET
 
 endif
 
-comment "fastd needs a toolchain w/ threads, headers >= 3.0"
+comment "fastd needs a toolchain w/ threads, headers >= 3.0, dynamic library"
 	depends on BR2_USE_MMU
 	depends on !BR2_TOOLCHAIN_HAS_THREADS \
-		|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
+		|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 \
+		|| BR2_STATIC_LIBS
diff --git a/package/libuecc/Config.in b/package/libuecc/Config.in
index 34bbea2d46..b7cd0450fe 100644
--- a/package/libuecc/Config.in
+++ b/package/libuecc/Config.in
@@ -1,6 +1,10 @@
 config BR2_PACKAGE_LIBUECC
 	bool "libuecc"
+	depends on !BR2_STATIC_LIBS
 	help
 	  Very small Elliptic Curve Cryptography library
 
 	  http://git.universe-factory.net/libuecc
+
+comment "libuecc needs a toolchain w/ dynamic library"
+	depends on BR2_STATIC_LIBS