diff --git a/server/build_without_gradle.sh b/server/build_without_gradle.sh
index fcd6233e..b1fdabdd 100755
--- a/server/build_without_gradle.sh
+++ b/server/build_without_gradle.sh
@@ -40,7 +40,7 @@ EOF
 
 echo "Generating java from aidl..."
 cd "$SERVER_DIR/src/main/aidl"
-"$ANDROID_HOME/build-tools/$BUILD_TOOLS/aidl" -o "$CLASSES_DIR" \
+"$ANDROID_HOME/build-tools/$BUILD_TOOLS/aidl" -o"$CLASSES_DIR" \
     android/view/IRotationWatcher.aidl
 
 echo "Compiling java sources..."