From b3e73547a03f068ae4dd9cca4bc865cde85c8dec Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Wed, 5 Aug 2020 11:05:46 -0400
Subject: Update src/libexpr/primops.cc

Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
---
 src/libexpr/primops.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 9ecf99f17..65d36ca0e 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -647,7 +647,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
 
             /* The `args' attribute is special: it supplies the
                command-line arguments to the builder. */
-            if (i->name == state.sArgs) {
+            else if (i->name == state.sArgs) {
                 state.forceList(*i->value, pos);
                 for (unsigned int n = 0; n < i->value->listSize(); ++n) {
                     string s = state.coerceToString(posDrvName, *i->value->listElems()[n], context, true);
-- 
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