diff --git a/pkgs/tools/networking/ddclient/default.nix b/pkgs/tools/networking/ddclient/default.nix
index 20a22723c7fa..517a70466441 100644
--- a/pkgs/tools/networking/ddclient/default.nix
+++ b/pkgs/tools/networking/ddclient/default.nix
@@ -19,10 +19,9 @@ perlPackages.buildPerlPackage rec {
     touch Makefile.PL
     substituteInPlace ddclient \
       --replace 'in the output of ifconfig' 'in the output of ip addr show' \
-      --replace 'ifconfig -a'               '${iproute}/sbin/ip addr show' \
-      --replace 'ifconfig $arg'             '${iproute}/sbin/ip addr show $arg' \
-   # Until we get the patchShebangs fixed (issue #55786) we need to patch this manually
-      --replace '/usr/bin/perl'		    '${perl}/bin/perl'
+      --replace 'ifconfig -a' '${iproute}/sbin/ip addr show' \
+      --replace 'ifconfig $arg' '${iproute}/sbin/ip addr show $arg' \
+      --replace '/usr/bin/perl' '${perl}/bin/perl' # Until we get the patchShebangs fixed (issue #55786) we need to patch this manually
   '';
 
   installPhase = ''