diff --git a/pkgs/by-name/ma/maven/build-maven-package.nix b/pkgs/by-name/ma/maven/build-maven-package.nix
index 98b0f927ad37..8672419322f5 100644
--- a/pkgs/by-name/ma/maven/build-maven-package.nix
+++ b/pkgs/by-name/ma/maven/build-maven-package.nix
@@ -52,7 +52,7 @@ let
       ]
       ++ args.nativeBuildInputs or [ ];
 
-      JAVA_HOME = mvnJdk;
+      env.JAVA_HOME = mvnJdk;
 
       impureEnvVars = lib.fetchers.proxyImpureEnvVars;
 
@@ -131,7 +131,7 @@ stdenv.mkDerivation (
       maven
     ];
 
-    JAVA_HOME = mvnJdk;
+    env.JAVA_HOME = mvnJdk;
 
     buildPhase = ''
       runHook preBuild