diff --git a/.travis.yml b/.travis.yml
index 347ab17..4b796cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,10 +19,10 @@ env:
 
     # Arduino test
     - PLATFORMIO_CI_SRC=extras/test_build PLATFORMIO_CI_ARGS="--board=uno --board=leonardo --board=yun --board=megaatmega2560 --board=genuino101 --board=mkr1000USB --board=zero --board=teensy31 --board=uno_pic32 --board=esp01 --board=nodemcuv2 --board=esp32dev"
-    - PLATFORMIO_CI_SRC=extras/test_build PLATFORMIO_CI_ARGS="--board=bluepill_f103c8 --project-option='framework=arduino'"
+    - PLATFORMIO_CI_SRC=extras/test_build PLATFORMIO_CI_ARGS='--board=bluepill_f103c8 --project-option="framework=arduino"'
 
     # Energia test
-    - PLATFORMIO_CI_SRC=extras/test_build PLATFORMIO_CI_ARGS="--board=lplm4f120h5qr --project-option='framework=energia'"
+    - PLATFORMIO_CI_SRC=extras/test_build PLATFORMIO_CI_ARGS='--board=lplm4f120h5qr --project-option="framework=energia"'
 
 install:
     # ChipKIT issue: install 32-bit support for GCC PIC32