diff --git a/.travis.yml b/.travis.yml
index 210a0de32..4947ee4c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -116,7 +116,7 @@ jobs:
         - libbrotli-dev
         - libzstd-dev
   - env:
-    - T=debug HYPER="yes" C="--with-hyper=$HOME/hyper --with-openssl" LD_LIBRARY_PATH=$HOME/hyper/target/debug:/usr/local/lib TFLAGS="1 to 153 220 221 222 223 224 230 232 314 315 316 396 397"
+    - T=debug HYPER="yes" C="--with-hyper=$HOME/hyper --with-openssl" LD_LIBRARY_PATH=$HOME/hyper/target/debug:/usr/local/lib TFLAGS="1 to 153 220 221 222 223 224 230 232 271 314 315 316 396 397"
     addons:
       apt:
         <<: *common_apt
diff --git a/tests/FILEFORMAT.md b/tests/FILEFORMAT.md
index e5c2a312a..b99fd26a9 100644
--- a/tests/FILEFORMAT.md
+++ b/tests/FILEFORMAT.md
@@ -177,12 +177,14 @@ that will be checked/used if specified.
 
 ### `<keywords>`
 A newline-separated list of keywords describing what this test case uses and
-tests. Try to use an already used keyword.  These keywords will be used for
-statistical/informational purposes and for choosing or skipping classes
-of tests.  "Keywords" must begin with an alphabetic character, "-", "["
-or "{" and may actually consist of multiple words separated by spaces
-which are treated together as a single identifier.
+tests. Try to use already used keywords.  These keywords will be used for
+statistical/informational purposes and for choosing or skipping classes of
+tests.  "Keywords" must begin with an alphabetic character, "-", "[" or "{"
+and may actually consist of multiple words separated by spaces which are
+treated together as a single identifier.
 
+When using curl built with Hyper, the keywords must include HTTP or HTTPS for
+'hyper mode' to kick in and make line ending checks work for tests.
 ## `<reply>`
 
 ### `<data [nocheck="yes"] [sendzero="yes"] [base64="yes"] [hex="yes"]>`
diff --git a/tests/runtests.pl b/tests/runtests.pl
index 696c11a72..2a2b4ee1a 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -3524,7 +3524,8 @@ sub prepro {
         if($show) {
             subVariables(\$s, $testnum, "%");
             subBase64(\$s);
-            subNewlines(\$s) if($has_hyper);
+            subNewlines(\$s) if($has_hyper && ($keywords{"HTTP"} ||
+                                               $keywords{"HTTPS"}));
             push @out, $s;
         }
     }