diff --git a/src/wallet/sqlite.cpp b/src/wallet/sqlite.cpp
index 02a161ecb..6d2fdbe58 100644
--- a/src/wallet/sqlite.cpp
+++ b/src/wallet/sqlite.cpp
@@ -619,8 +619,8 @@ bool IsSQLiteFile(const fs::path& path)
     file.close();
 
     // Check the magic, see https://sqlite.org/fileformat2.html
-    std::string magic_str(magic);
-    if (magic_str != std::string("SQLite format 3")) {
+    std::string magic_str(magic, 16);
+    if (magic_str != std::string("SQLite format 3", 16)) {
         return false;
     }