diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index d21c49813..9b9cbfc2e 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -767,7 +767,6 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
                 .nixCode = NixCode { .errPos = posDrvName }
             });
 
-
     /* Check whether the derivation name is valid. */
     if (isDerivation(drvName))
         throw EvalError(
@@ -776,7 +775,6 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
                 .nixCode = NixCode { .errPos = posDrvName }
             });
 
-
     if (outputHash) {
         /* Handle fixed-output derivations. */
         if (outputs.size() != 1 || *(outputs.begin()) != "out")