diff --git a/build_termux_package b/build_termux_package
index e96c1bb..8821a4d 100755
--- a/build_termux_package
+++ b/build_termux_package
@@ -41,7 +41,7 @@ cat <<EOF > $CONTROL_DIR/postinst
 #!/data/data/com.termux/files/usr/bin/bash
 [ -z "\$PREFIX" ] && PREFIX=/data/data/com.termux/files/usr
 ABI=
-case \`uname -m\` in
+case \`dpkg --print-architecture\` in
   arm) ABI=armeabi-v7a;;
   aarch64) ABI=arm64-v8a;;
   i686) ABI=x86;;