Fix a compilation warning (#10320)

1 files changed, 2 insertions, 2 deletions

diff --git a/database/engine/rrdengine.c b/database/engine/rrdengine.c
index af4ea20e31..43135ff018 100644
--- a/database/engine/rrdengine.c
+++ b/database/engine/rrdengine.c
@@ -219,7 +219,7 @@ void read_extent_cb(uv_fs_t* req)
     int ret;
     unsigned i, j, count;
     void *page, *uncompressed_buf = NULL;
-    uint32_t payload_length, payload_offset, page_offset, uncompressed_payload_length;
+    uint32_t payload_length, payload_offset, page_offset, uncompressed_payload_length = 0;
     uint8_t have_read_error = 0;
     /* persistent structures */
     struct rrdeng_df_extent_header *header;
@@ -1263,4 +1263,4 @@ void rrdengine_main(void)
     rrdeng_exit(ctx);
     fprintf(stderr, "Hello world!");
     exit(0);
-}
\ No newline at end of file
+}