diff --git a/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java b/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java
index fcb92e64..42d4cfb8 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java
@@ -461,6 +461,10 @@ public class OpenScale {
         File tmpExportFile = context.getApplicationContext().getDatabasePath("openScale_tmp.db");
 
         try {
+            if (appDB != null) {
+                appDB.close();
+            }
+
             copyFile(Uri.fromFile(exportFile), Uri.fromFile(tmpExportFile));
             copyFile(importFile, Uri.fromFile(exportFile));