diff --git a/Scripts/build_aggregate.sh b/Scripts/build_aggregate.sh
index 762969ca..8bcb83f0 100755
--- a/Scripts/build_aggregate.sh
+++ b/Scripts/build_aggregate.sh
@@ -16,7 +16,7 @@ xcodebuild -scheme "${C_PROJECT_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${PHON
 
 #copy the framework into the build directory where it is looking for it.
 #ditto "$FRAMEWORKS_DIR/MVMCore.framework" "${BUILD_DIR}/${SIMULATOR_CONFIGURATION}-iphonesimulator/MVMCore.framework
-xcodebuild -target "${C_PROJECT_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${SIMULATOR_CONFIGURATION} -sdk iphonesimulator -arch x86_64 FRAMEWORK_SEARCH_PATHS=$FRAMEWORKS_DIR ALWAYS_SEARCH_USER_PATHS=true
+xcodebuild -target "${C_PROJECT_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${SIMULATOR_CONFIGURATION} -sdk iphonesimulator FRAMEWORK_SEARCH_PATHS=$FRAMEWORKS_DIR ALWAYS_SEARCH_USER_PATHS=true
 
 mkdir -p "${UNIVERSAL_OUTPUTFOLDER}"