diff --git a/server/build_without_gradle.sh b/server/build_without_gradle.sh
index c3c6630c..ab5e19e4 100755
--- a/server/build_without_gradle.sh
+++ b/server/build_without_gradle.sh
@@ -14,8 +14,7 @@ set -e
 SCRCPY_DEBUG=false
 SCRCPY_VERSION_NAME=1.21
 
-PLATFORM_VERSION=31
-PLATFORM=${ANDROID_PLATFORM:-$PLATFORM_VERSION}
+PLATFORM=${ANDROID_PLATFORM:-31}
 BUILD_TOOLS=${ANDROID_BUILD_TOOLS:-31.0.0}
 
 BUILD_DIR="$(realpath ${BUILD_DIR:-build_manual})"