diff --git a/Formula/ldns.rb b/Formula/ldns.rb
index 34cfcc1030..465ed40f95 100644
--- a/Formula/ldns.rb
+++ b/Formula/ldns.rb
@@ -37,7 +37,10 @@ class Ldns < Formula
   end
 
   test do
-    (testpath/"powerdns.com.dnskey").write("powerdns.com.   10773 IN  DNSKEY  256 3 8 AwEAAbQOlJUPNWM8DQown5y/wFgDVt7jskfEQcd4pbLV/1osuBfBNDZX v9ru7wDC/PbpvysEZgFXTPJ9QrdwSsd8KAZVO5mjeDNL0RnlhjHWuXKC qnLI+iLb3OMLQTizjdscdHPoW98wk5931pJkyf2qMDRjRB4c5d81sfoZ Od6D7Rrx\npowerdns.com.   10773 IN  DNSKEY  257 3 8 AwEAAb/+pXOZWYQ8mv9WM5dFva8WU9jcIUdDuEjldbyfnkQ/xlrJC5zA EfhYhrea3SmIPmMTDimLqbh3/4SMTNPTUF+9+U1vpNfIRTFadqsmuU9F ddz3JqCcYwEpWbReg6DJOeyu+9oBoIQkPxFyLtIXEPGlQzrynKubn04C x83I6NfzDTraJT3jLHKeW5PVc1ifqKzHz5TXdHHTA7NkJAa0sPcZCoNE 1LpnJI/wcUpRUiuQhoLFeT1E432GuPuZ7y+agElGj0NnBxEgnHrhrnZW UbULpRa/il+Cr5Taj988HqX9Xdm6FjcP4Lbuds/44U7U8du224Q8jTrZ 57Yvj4VDQKc=")
+    (testpath/"powerdns.com.dnskey").write <<-EOS.undent
+      powerdns.com.   10773 IN  DNSKEY  256 3 8 AwEAAbQOlJUPNWM8DQown5y/wFgDVt7jskfEQcd4pbLV/1osuBfBNDZX v9ru7wDC/PbpvysEZgFXTPJ9QrdwSsd8KAZVO5mjeDNL0RnlhjHWuXKC qnLI+iLb3OMLQTizjdscdHPoW98wk5931pJkyf2qMDRjRB4c5d81sfoZ Od6D7Rrx
+      powerdns.com.   10773 IN  DNSKEY  257 3 8 AwEAAb/+pXOZWYQ8mv9WM5dFva8WU9jcIUdDuEjldbyfnkQ/xlrJC5zA EfhYhrea3SmIPmMTDimLqbh3/4SMTNPTUF+9+U1vpNfIRTFadqsmuU9F ddz3JqCcYwEpWbReg6DJOeyu+9oBoIQkPxFyLtIXEPGlQzrynKubn04C x83I6NfzDTraJT3jLHKeW5PVc1ifqKzHz5TXdHHTA7NkJAa0sPcZCoNE 1LpnJI/wcUpRUiuQhoLFeT1E432GuPuZ7y+agElGj0NnBxEgnHrhrnZW UbULpRa/il+Cr5Taj988HqX9Xdm6FjcP4Lbuds/44U7U8du224Q8jTrZ 57Yvj4VDQKc="
+    EOS
     system "#{bin}/ldns-key2ds", "powerdns.com.dnskey"
     assert_match /d4c3d5552b8679faeebc317e5f048b614b2e5f607dc57f1553182d49ab2179f7/, File.read("Kpowerdns.com.+008+44030.ds")
   end