Fix my typo
diff --git a/.travis.yml b/.travis.yml
index f13ce84..1be1874 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@
 env:
   - USE_CONTEXT=ON COVERALL_SEND=OFF
   - USE_CONTEXT=ON COVERALL_SEND=ON
-  - USE_CONTEXT=OFF COVERALL_SEND_ON
+  - USE_CONTEXT=OFF COVERALL_SEND=ON
   - USE_CONTEXT=OFF USE_EMBEDTLS=ON COVERALL_SEND=ON
 matrix:
   exclude: