diff --git a/src/box/lua/load_cfg.lua b/src/box/lua/load_cfg.lua
index f3d049b0ff30c39ad0643175dd460b774073af6f..80d0c24b29137143616a2944903ff15b95a2e3ab 100644
--- a/src/box/lua/load_cfg.lua
+++ b/src/box/lua/load_cfg.lua
@@ -70,7 +70,7 @@ local default_cfg = {
 
     audit_log           = nil,
     audit_nonblock      = true,
-    audit_format        = 'csv',
+    audit_format        = 'json',
     audit_filter        = 'compatibility',
 
     io_collect_interval = nil,
diff --git a/test/app-tap/init_script.result b/test/app-tap/init_script.result
index f1424ad9a4956b73595af0212b9718eb7537568c..bfc203f22fdb75929603a02a395d9ede93ea6802 100644
--- a/test/app-tap/init_script.result
+++ b/test/app-tap/init_script.result
@@ -4,7 +4,7 @@
 
 box.cfg
 audit_filter:compatibility
-audit_format:csv
+audit_format:json
 audit_nonblock:true
 background:false
 checkpoint_count:2
diff --git a/test/box/admin.result b/test/box/admin.result
index a1ebc39835b13c043974629d4b92c57305d416b0..dd88ab3f78e2d336a9e546df8e8961b8dd84db9c 100644
--- a/test/box/admin.result
+++ b/test/box/admin.result
@@ -30,7 +30,7 @@ cfg_filter(box.cfg)
 - - - audit_filter
     - compatibility
   - - audit_format
-    - csv
+    - json
   - - audit_nonblock
     - true
   - - background
diff --git a/test/box/cfg.result b/test/box/cfg.result
index d3936c852d52beb81e9db3e511d2b63b2127a83a..12009bcf02e1f8726d8ba5f268fc02205fb7af41 100644
--- a/test/box/cfg.result
+++ b/test/box/cfg.result
@@ -18,7 +18,7 @@ cfg_filter(box.cfg)
  | - - - audit_filter
  |     - compatibility
  |   - - audit_format
- |     - csv
+ |     - json
  |   - - audit_nonblock
  |     - true
  |   - - background
@@ -157,7 +157,7 @@ cfg_filter(box.cfg)
  | - - - audit_filter
  |     - compatibility
  |   - - audit_format
- |     - csv
+ |     - json
  |   - - audit_nonblock
  |     - true
  |   - - background