diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 5c88c3a9b8..f49c4c33a9 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -131,8 +131,8 @@ config_data! {
 
         /// Whether to show inlay type hints for method chains.
         inlayHints_chainingHints: bool      = "true",
-        /// Maximum length for inlay hints. Default is unlimited.
-        inlayHints_maxLength: Option<usize> = "null",
+        /// Maximum length for inlay hints. Set to null to have an unlimited length.
+        inlayHints_maxLength: Option<usize> = "20",
         /// Whether to show function parameter name inlay hints at the call
         /// site.
         inlayHints_parameterHints: bool     = "true",
diff --git a/docs/user/generated_config.adoc b/docs/user/generated_config.adoc
index c2521289c0..6ea90f7af1 100644
--- a/docs/user/generated_config.adoc
+++ b/docs/user/generated_config.adoc
@@ -206,10 +206,10 @@ Use markdown syntax for links in hover.
 --
 Whether to show inlay type hints for method chains.
 --
-[[rust-analyzer.inlayHints.maxLength]]rust-analyzer.inlayHints.maxLength (default: `null`)::
+[[rust-analyzer.inlayHints.maxLength]]rust-analyzer.inlayHints.maxLength (default: `20`)::
 +
 --
-Maximum length for inlay hints. Default is unlimited.
+Maximum length for inlay hints. Set to null to have an unlimited length.
 --
 [[rust-analyzer.inlayHints.parameterHints]]rust-analyzer.inlayHints.parameterHints (default: `true`)::
 +
diff --git a/editors/code/package.json b/editors/code/package.json
index faec45276c..2b031aaa02 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -625,8 +625,8 @@
                     "type": "boolean"
                 },
                 "rust-analyzer.inlayHints.maxLength": {
-                    "markdownDescription": "Maximum length for inlay hints. Default is unlimited.",
-                    "default": null,
+                    "markdownDescription": "Maximum length for inlay hints. Set to null to have an unlimited length.",
+                    "default": 20,
                     "type": [
                         "null",
                         "integer"