diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2bbc2ca4957..e058be45a94 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7133,7 +7133,12 @@ in
 
   nzbget = callPackage ../tools/networking/nzbget { };
 
-  nzbhydra2 = callPackage ../servers/nzbhydra2 { };
+  nzbhydra2 = callPackage ../servers/nzbhydra2 {
+    # You need Java (at least 8, at most 15)
+    # https://github.com/theotherp/nzbhydra2/issues/697
+    # https://github.com/theotherp/nzbhydra2/#how-to-run
+    jre = openjdk11;
+  };
 
   oapi-codegen = callPackage ../tools/networking/oapi-codegen { };