diff --git a/pkgs/applications/radio/freedv/default.nix b/pkgs/applications/radio/freedv/default.nix
index ba8646885482..b648c04577e0 100644
--- a/pkgs/applications/radio/freedv/default.nix
+++ b/pkgs/applications/radio/freedv/default.nix
@@ -21,13 +21,13 @@
 
 stdenv.mkDerivation rec {
   pname = "freedv";
-  version = "1.8.3.1";
+  version = "1.8.4";
 
   src = fetchFromGitHub {
     owner = "drowe67";
     repo = "freedv-gui";
     rev = "v${version}";
-    hash = "sha256-LPCY5gPinxJkfPfumKggI/JQorcW+Qw/ZAP6XQmPkeA=";
+    hash = "sha256-X/jL6q2yLNtRq7Xg9JeXu1zXD0KCs59D1poA9hM3Ndo=";
   };
 
   postPatch = lib.optionalString stdenv.isDarwin ''
@@ -58,12 +58,15 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-DUSE_INTERNAL_CODEC2:BOOL=FALSE"
     "-DUSE_STATIC_DEPS:BOOL=FALSE"
+    "-DUNITTEST=ON"
   ] ++ lib.optionals pulseSupport [ "-DUSE_PULSEAUDIO:BOOL=TRUE" ];
 
   NIX_CFLAGS_COMPILE = lib.optionals (stdenv.isDarwin && stdenv.isx86_64) [
     "-DAPPLE_OLD_XCODE"
   ];
 
+  doCheck = true;
+
   meta = with lib; {
     homepage = "https://freedv.org/";
     description = "Digital voice for HF radio";