diff --git a/script/build b/script/build
index 85998d068..52bfd8939 100755
--- a/script/build
+++ b/script/build
@@ -65,7 +65,7 @@ cmake $@ "${SRC_DIR}"
 
 MAX_THREADS_TO_BUILD_WITH=8
 NUM_THREADS_TO_BUILD_WITH=$(getconf _NPROCESSORS_ONLN)
-if [ ${NUM_THREADS_TO_BUILD_WITH} -gt ${MAX_THREADS_TO_BUILD_WITH} ]
+if [ "${NUM_THREADS_TO_BUILD_WITH}" -gt ${MAX_THREADS_TO_BUILD_WITH} ]
 then
     NUM_THREADS_TO_BUILD_WITH=${MAX_THREADS_TO_BUILD_WITH}
 fi
@@ -76,4 +76,21 @@ cd "${ROOT_DIR}"
 
 mkdir -pv "${BIN_DIR}"
 
-cp -v "${BUILD_DIR}"/{vegastrike-engine,setup/vegasettings,objconv/vega-meshtool} "${BIN_DIR}"
+declare -a files_to_copy_if_they_exist=("${BUILD_DIR}/vegastrike-engine" "${BUILD_DIR}/setup/vegasettings" "${BUILD_DIR}/objconv/vega-meshtool")
+declare -a directories_to_copy_if_they_exist=("${BUILD_DIR}/vegastrike-engine.app")
+
+for i in "${files_to_copy_if_they_exist[@]}"
+do
+    if [ -f "$i" ]
+    then
+        cp -v "$i" "${BIN_DIR}"/
+    fi
+done
+
+for i in "${directories_to_copy_if_they_exist[@]}"
+do
+    if [ -d "$i" ]
+    then
+        cp -v "$i" "${BIN_DIR}"/
+    fi
+done