diff --git a/pkgs/by-name/li/libnet/package.nix b/pkgs/by-name/li/libnet/package.nix
index c6d9ba2a8929..a152d0823744 100644
--- a/pkgs/by-name/li/libnet/package.nix
+++ b/pkgs/by-name/li/libnet/package.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   outputs = [
     "out"
-    "lib"
+    "dev"
   ];
 
   nativeBuildInputs = [
@@ -39,6 +39,10 @@ stdenv.mkDerivation rec {
 
   preConfigure = "./autogen.sh";
 
+  preFixup = ''
+    moveToOutput bin/libnet-config "$dev"
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/sam-github/libnet";
     description = "Portable framework for low-level network packet construction";
diff --git a/pkgs/by-name/ss/sslsplit/package.nix b/pkgs/by-name/ss/sslsplit/package.nix
index 73ba386ae1cb..96101e75313e 100644
--- a/pkgs/by-name/ss/sslsplit/package.nix
+++ b/pkgs/by-name/ss/sslsplit/package.nix
@@ -39,10 +39,10 @@ stdenv.mkDerivation rec {
 
   makeFlags = [
     "PREFIX=$(out)"
-    "OPENSSL_BASE=${openssl.dev}"
-    "LIBEVENT_BASE=${libevent.dev}"
-    "LIBPCAP_BASE=${libpcap}"
-    "LIBNET_BASE=${libnet}"
+    "OPENSSL_BASE=${lib.getDev openssl}"
+    "LIBEVENT_BASE=${lib.getDev libevent}"
+    "LIBPCAP_BASE=${lib.getDev libpcap}"
+    "LIBNET_BASE=${lib.getDev libnet}"
   ];
 
   meta = with lib; {
diff --git a/pkgs/by-name/ye/yersinia/package.nix b/pkgs/by-name/ye/yersinia/package.nix
index e2717c3c6fcc..f808289008c9 100644
--- a/pkgs/by-name/ye/yersinia/package.nix
+++ b/pkgs/by-name/ye/yersinia/package.nix
@@ -39,8 +39,8 @@ stdenv.mkDerivation {
   autoreconfPhase = "./autogen.sh";
 
   configureFlags = [
-    "--with-pcap-includes=${libpcap}/include"
-    "--with-libnet-includes=${libnet}/include"
+    "--with-pcap-includes=${lib.getDev libpcap}/include"
+    "--with-libnet-includes=${lib.getDev libnet}/include"
   ]
   ++ lib.optional (!enableAdmin) "--disable-admin"
   ++ lib.optional (!withGtk) "--disable-gtk";