diff --git a/src/libstore/derivations.cc b/src/libstore/derivations.cc
index e05644ab2..05dc9a3cc 100644
--- a/src/libstore/derivations.cc
+++ b/src/libstore/derivations.cc
@@ -945,6 +945,7 @@ nlohmann::json Derivation::toJSON(const Store & store) const
     res["system"] = platform;
     res["builder"] = builder;
     res["args"] = args;
+    res["env"] = env;
 
     return res;
 }
diff --git a/src/libstore/tests/derivation.cc b/src/libstore/tests/derivation.cc
index c9d404188..12be8504d 100644
--- a/src/libstore/tests/derivation.cc
+++ b/src/libstore/tests/derivation.cc
@@ -85,6 +85,9 @@ TEST_JSON(Derivation, impure,
         "bar",
         "baz"
       ],
+      "env": {
+        "BIG_BAD": "WOLF"
+      },
       "outputs": {}
     })",
     ({
@@ -107,6 +110,12 @@ TEST_JSON(Derivation, impure,
             "bar",
             "baz",
         };
+        drv.env = {
+            {
+                "BIG_BAD",
+                "WOLF",
+            },
+        };
         drv;
     }))