diff --git a/platformio.ini b/platformio.ini
index ec27f1d..662999b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -18,3 +18,7 @@ board_build.f_flash = 80000000L
 board_build.ldscript = eagle.flash.4m3m.ld
 upload_speed = 115200
 test_filter = embedded
+; this should be replaced with the correct platform version once espressif8266 has caught up.
+platform_packages =
+    framework-arduinoespressif8266 @ https://github.com/esp8266/Arduino.git
+    toolchain-xtensa@~2.100300.210717
diff --git a/src/Task.h b/src/Task.h
index af9d15a..8f4dd00 100644
--- a/src/Task.h
+++ b/src/Task.h
@@ -17,7 +17,7 @@ class Task : public AbstractTask {
   }
 
   void yield() override {
-    cont_yield(&context);
+    cont_suspend(&context);
   }
 
  private: