diff --git a/pkgs/applications/radio/wsjtx/default.nix b/pkgs/applications/radio/wsjtx/default.nix
index 09a5fd5f80d6..ef3eb6b003f6 100644
--- a/pkgs/applications/radio/wsjtx/default.nix
+++ b/pkgs/applications/radio/wsjtx/default.nix
@@ -36,6 +36,7 @@ stdenv.mkDerivation rec {
     asciidoctor
     cmake
     gfortran
+    hamlib_4 # rigctl
     libtool
     pkg-config
     qttools
@@ -53,6 +54,8 @@ stdenv.mkDerivation rec {
     boost
   ];
 
+  strictDeps = true;
+
   meta = with lib; {
     description = "Weak-signal digital communication modes for amateur radio";
     longDescription = ''