diff --git a/Scripts/build_aggregate.sh b/Scripts/build_aggregate.sh
index 38da239e..f90bf01c 100755
--- a/Scripts/build_aggregate.sh
+++ b/Scripts/build_aggregate.sh
@@ -11,7 +11,7 @@ echo $FRAMEWORKS_DIR
 
 UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/universal
 
-xcodebuild -project ./MVMCoreUI.xcodeproj -clean
+xcodebuild -project ./MVMCoreUI.xcodeproj clean
 
 # Step 1. Build Device and Simulator versions
 xcodebuild -scheme "${C_PROJECT_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${PHONE_CONFIGURATION} -sdk iphoneos -archivePath "${BUILD_DIR}/${PHONE_CONFIGURATION}-iphoneos/${C_PROJECT_NAME}" archive SKIP_INSTALL=false FRAMEWORK_SEARCH_PATHS=$FRAMEWORKS_DIR