diff --git a/.travis.yml b/.travis.yml
index 3a3fc16..835c775 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,13 +27,13 @@ matrix:
       compiler: gcc
 
 #   travis error, try later
-#   - name: linux-ppc64le-gcc-9
-#     env: CC=gcc-9
-#     arch: ppc64le
-#     before_install:
-#       - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
-#       - sudo apt-get -y update
-#       - sudo apt-get -y install gcc-9
+    - name: linux-ppc64le-gcc-9
+      env: CC=gcc-9
+      arch: ppc64le
+      before_install:
+        - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+        - sudo apt-get -y update
+        - sudo apt-get -y install gcc-9
 
     - name: windows-mingw-w64
       arch: amd64 
@@ -42,5 +42,6 @@ matrix:
         - mingw32-make
         - ./icapp ZIPF
 
-    - name: macOS, xcode
+    - name: apple-macOS-xcode
       os: osx
+