diff --git a/test/core/bad_client/tests/simple_request.c b/test/core/bad_client/tests/simple_request.c
index 5ded520fee0..e09e764dbb3 100644
--- a/test/core/bad_client/tests/simple_request.c
+++ b/test/core/bad_client/tests/simple_request.c
@@ -51,7 +51,7 @@
   "\x10\x0c"                                                               \
   "content-type\x10"                                                       \
   "application/grpc"                                                       \
-  "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"                  \
+  "\x10\x14grpc-accept-encoding\x15""deflate,identity,gzip"                \
   "\x10\x02te\x08trailers"                                                 \
   "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
 
diff --git a/test/core/bad_client/tests/simple_request_unusual.headers b/test/core/bad_client/tests/simple_request_unusual.headers
index 6750302f5c8..ad14f24d3ee 100644
--- a/test/core/bad_client/tests/simple_request_unusual.headers
+++ b/test/core/bad_client/tests/simple_request_unusual.headers
@@ -6,6 +6,6 @@
 :method: POST
 host: localhost
 content-type: application/grpc+this-is-valid
-grpc-accept-encoding: identity,deflate,gzip
+grpc-accept-encoding: deflate,identity,gzip
 te: trailers
 user-agent: bad-client grpc-c/0.12.0.0 (linux)