diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2b5de2c9..2e120e3a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -210,6 +210,7 @@ jobs:
 
       - name: Build kptools
         run: |
+          export ANDROID=1
           cd tools
           mkdir -p build && cd build
           cmake ..
@@ -258,6 +259,7 @@ jobs:
 
       - name: Build kptools
         run: |
+          export ANDROID=1
           cd tools
           mkdir -p build && cd build
           cmake ..