diff --git a/core/files/entrypoint_nginx.sh b/core/files/entrypoint_nginx.sh
index 460abdd..c271eb3 100755
--- a/core/files/entrypoint_nginx.sh
+++ b/core/files/entrypoint_nginx.sh
@@ -97,13 +97,13 @@ init_misp_data_files(){
     # [ -f $MISP_APP_CONFIG_PATH/config.php ] || cp $MISP_APP_CONFIG_PATH.dist/config.default.php $MISP_APP_CONFIG_PATH/config.php
     # [ -f $MISP_APP_CONFIG_PATH/email.php ] || cp $MISP_APP_CONFIG_PATH.dist/email.php $MISP_APP_CONFIG_PATH/email.php
     # [ -f $MISP_APP_CONFIG_PATH/routes.php ] || cp $MISP_APP_CONFIG_PATH.dist/routes.php $MISP_APP_CONFIG_PATH/routes.php
-    [ -f $MISP_APP_CONFIG_PATH/bootstrap.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/bootstrap.default.php of=$MISP_APP_CONFIG_PATH/bootstrap.php
-    [ -f $MISP_APP_CONFIG_PATH/database.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/database.default.php of=$MISP_APP_CONFIG_PATH/database.php
-    [ -f $MISP_APP_CONFIG_PATH/core.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/core.default.php of=$MISP_APP_CONFIG_PATH/core.php
-    [ -f $MISP_APP_CONFIG_PATH/config.php.template ] || dd if=$MISP_APP_CONFIG_PATH.dist/config.default.php of=$MISP_APP_CONFIG_PATH/config.php.template
-    [ -f $MISP_APP_CONFIG_PATH/config.php ] || echo -e "<?php\n\$config=array();\n?>" > $MISP_APP_CONFIG_PATH/config.php
-    [ -f $MISP_APP_CONFIG_PATH/email.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/email.php of=$MISP_APP_CONFIG_PATH/email.php
-    [ -f $MISP_APP_CONFIG_PATH/routes.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/routes.php of=$MISP_APP_CONFIG_PATH/routes.php
+    [ -s $MISP_APP_CONFIG_PATH/bootstrap.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/bootstrap.default.php of=$MISP_APP_CONFIG_PATH/bootstrap.php
+    [ -s $MISP_APP_CONFIG_PATH/database.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/database.default.php of=$MISP_APP_CONFIG_PATH/database.php
+    [ -s $MISP_APP_CONFIG_PATH/core.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/core.default.php of=$MISP_APP_CONFIG_PATH/core.php
+    [ -s $MISP_APP_CONFIG_PATH/config.php.template ] || dd if=$MISP_APP_CONFIG_PATH.dist/config.default.php of=$MISP_APP_CONFIG_PATH/config.php.template
+    [ -s $MISP_APP_CONFIG_PATH/config.php ] || echo -e "<?php\n\$config=array();\n?>" > $MISP_APP_CONFIG_PATH/config.php
+    [ -s $MISP_APP_CONFIG_PATH/email.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/email.php of=$MISP_APP_CONFIG_PATH/email.php
+    [ -s $MISP_APP_CONFIG_PATH/routes.php ] || dd if=$MISP_APP_CONFIG_PATH.dist/routes.php of=$MISP_APP_CONFIG_PATH/routes.php
 
     if ! grep -q "Detect what auth modules" "$MISP_APP_CONFIG_PATH/bootstrap.php"; then
         echo "... patch bootstrap.php settings"