diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3478b409d10d..a44487d98c7f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1737,7 +1737,9 @@ let
 
   privateer = callPackage ../games/privateer { };
 
-  rtmpdump = callPackage ../tools/video/rtmpdump { };
+  rtmpdump = callPackage ../tools/video/rtmpdump {
+    gnutls = gnutls31; # gnutls32: undefined reference to gnutls_calc_dh_{key,secret}
+  };
 
   reaverwps = callPackage ../tools/networking/reaver-wps {};