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-rw-r--r--src/libstore/fs-accessor.hh2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstore/fs-accessor.hh b/src/libstore/fs-accessor.hh
index f703e1d15404..64780a6daf40 100644
--- a/src/libstore/fs-accessor.hh
+++ b/src/libstore/fs-accessor.hh
@@ -19,6 +19,8 @@ public:
         uint64_t narOffset = 0; // regular files only
     };
 
+    virtual ~FSAccessor() { }
+
     virtual Stat stat(const Path & path) = 0;
 
     virtual StringSet readDirectory(const Path & path) = 0;