diff --git a/sentry-rails/lib/sentry/rails/configuration.rb b/sentry-rails/lib/sentry/rails/configuration.rb
index c76c3ed75..d5589ab0f 100644
--- a/sentry-rails/lib/sentry/rails/configuration.rb
+++ b/sentry-rails/lib/sentry/rails/configuration.rb
@@ -224,7 +224,7 @@ class StructuredLoggingConfiguration
       }.freeze
 
       def initialize
-        @enabled = true
+        @enabled = false
         @subscribers = DEFAULT_SUBSCRIBERS.dup
       end
 
diff --git a/sentry-rails/sentry-rails.gemspec b/sentry-rails/sentry-rails.gemspec
index ecebd2b31..17734395a 100644
--- a/sentry-rails/sentry-rails.gemspec
+++ b/sentry-rails/sentry-rails.gemspec
@@ -32,4 +32,9 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "railties", ">= 5.2.0"
   spec.add_dependency "sentry-ruby", "~> 7.0.0"
+
+  spec.post_install_message = <<~MSG
+    Starting with sentry-rails 7.1.0, Rails structured logging is disabled by default.
+    Set `config.rails.structured_logging.enabled = true` to enable it.
+  MSG
 end
diff --git a/sentry-rails/spec/sentry/rails/configuration_spec.rb b/sentry-rails/spec/sentry/rails/configuration_spec.rb
index afba50113..f45e61a0d 100644
--- a/sentry-rails/spec/sentry/rails/configuration_spec.rb
+++ b/sentry-rails/spec/sentry/rails/configuration_spec.rb
@@ -99,10 +99,10 @@ class MySubscriber; end
       expect(config.structured_logging.subscribers).to be_a(Hash)
     end
 
-    it "enables structured logging by default" do
+    it "disables structured logging by default" do
       make_basic_app
 
-      expect(config.structured_logging.enabled?).to be(true)
+      expect(config.structured_logging.enabled?).to be(false)
     end
 
     it "respects explicit disable" do