2 files changed, 2 insertions, 2 deletions
diff --git a/perl/lib/Nix/Config.pm.in b/perl/lib/Nix/Config.pm.in
index 4f1f38ddd3a9..e07d4c08f13f 100644
--- a/perl/lib/Nix/Config.pm.in
+++ b/perl/lib/Nix/Config.pm.in
@@ -1,6 +1,6 @@
 package Nix::Config;
 
-$version = "@version@";
+$version = "@PACKAGE_VERSION@";
 
 $binDir = $ENV{"NIX_BIN_DIR"} || "@bindir@";
 $libexecDir = $ENV{"NIX_LIBEXEC_DIR"} || "@libexecdir@";
diff --git a/perl/lib/Nix/GeneratePatches.pm b/perl/lib/Nix/GeneratePatches.pm
index f9d83c49c856..612c8a3a15ba 100644
--- a/perl/lib/Nix/GeneratePatches.pm
+++ b/perl/lib/Nix/GeneratePatches.pm
@@ -225,7 +225,7 @@ sub generatePatches {
             }
         
             my $time1 = time();
-            my $res = system("ulimit -t $timeLimit; $Nix::Config::libexecDir/bsdiff $tmpDir/A $tmpDir/B $tmpDir/DIFF");
+            my $res = system("ulimit -t $timeLimit; $Nix::Config::libexecDir/nix/bsdiff $tmpDir/A $tmpDir/B $tmpDir/DIFF");
             my $time2 = time();
             if ($res) {
                 warn "binary diff computation aborted after ", $time2 - $time1, " seconds\n";