1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstore/builtins.cc b/src/libstore/builtins.cc
index a9c86599eed3..a30f30906f01 100644
--- a/src/libstore/builtins.cc
+++ b/src/libstore/builtins.cc
@@ -10,7 +10,7 @@ void builtinFetchurl(const BasicDerivation & drv)
 {
     auto getAttr = [&](const string & name) {
         auto i = drv.env.find(name);
-        if (i == drv.env.end()) throw Error(format("attribute '%s' missing") % name);
+        if (i == drv.env.end()) throw Error(format("attribute ‘%s’ missing") % name);
         return i->second;
     };
 
@@ -56,7 +56,7 @@ void builtinFetchurl(const BasicDerivation & drv)
     auto executable = drv.env.find("executable");
     if (executable != drv.env.end() && executable->second == "1") {
         if (chmod(storePath.c_str(), 0755) == -1)
-            throw SysError(format("making '%1%' executable") % storePath);
+            throw SysError(format("making ‘%1%’ executable") % storePath);
     }
 }