diff --git a/sentry-ruby/CHANGELOG.md b/sentry-ruby/CHANGELOG.md
index 8013e70e4..219bb1ce1 100644
--- a/sentry-ruby/CHANGELOG.md
+++ b/sentry-ruby/CHANGELOG.md
@@ -3,6 +3,8 @@
 ## Unreleased
 
 - Refactor interface construction [#1296](https://github.com/getsentry/sentry-ruby/pull/1296)
+- Treat query string as pii too [#1302](https://github.com/getsentry/sentry-ruby/pull/1302)
+  - Fixes [#1301](https://github.com/getsentry/sentry-ruby/issues/1301)
 - Ignore sentry-trace when tracing is not enabled [#1308](https://github.com/getsentry/sentry-ruby/pull/1308)
   - Fixes [#1307](https://github.com/getsentry/sentry-ruby/issues/1307)
 - Refactor tracing implementation [#1309](https://github.com/getsentry/sentry-ruby/pull/1309)
diff --git a/sentry-ruby/lib/sentry/interfaces/request.rb b/sentry-ruby/lib/sentry/interfaces/request.rb
index d3f94baa3..feabc1f34 100644
--- a/sentry-ruby/lib/sentry/interfaces/request.rb
+++ b/sentry-ruby/lib/sentry/interfaces/request.rb
@@ -40,11 +40,11 @@ def initialize(request:)
       if Sentry.configuration.send_default_pii
         self.data = read_data_from(request)
         self.cookies = request.cookies
+        self.query_string = request.query_string
       end
 
       self.url = request.scheme && request.url.split('?').first
       self.method = request.request_method
-      self.query_string = request.query_string
 
       self.headers = filter_and_format_headers(env)
       self.env     = filter_and_format_env(env)
diff --git a/sentry-ruby/spec/sentry/event_spec.rb b/sentry-ruby/spec/sentry/event_spec.rb
index db2bd8b1a..91736d250 100644
--- a/sentry-ruby/spec/sentry/event_spec.rb
+++ b/sentry-ruby/spec/sentry/event_spec.rb
@@ -70,7 +70,6 @@
           env: { 'SERVER_NAME' => 'localhost', 'SERVER_PORT' => '80' },
           headers: { 'Host' => 'localhost', 'X-Request-Id' => 'abcd-1234-abcd-1234' },
           method: 'POST',
-          query_string: 'biz=baz',
           url: 'http://localhost/lol',
         )
         expect(event.to_hash[:tags][:request_id]).to eq("abcd-1234-abcd-1234")
diff --git a/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb b/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb
index cce836ebb..082920ebc 100644
--- a/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb
+++ b/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb
@@ -137,27 +137,33 @@ def to_s
     end
   end
 
-  context "with form data" do
-    it "doesn't store request body by default" do
-      new_env = env.merge(
-        "REQUEST_METHOD" => "POST",
-        ::Rack::RACK_INPUT => StringIO.new("data=ignore me")
-      )
+  it "doesn't store request body by default" do
+    new_env = env.merge(
+      "REQUEST_METHOD" => "POST",
+      ::Rack::RACK_INPUT => StringIO.new("data=ignore me")
+    )
 
-      interface = described_class.build(env: new_env)
+    interface = described_class.build(env: new_env)
 
-      expect(interface.data).to eq(nil)
-    end
+    expect(interface.data).to eq(nil)
   end
 
-  context "with request body" do
-    it "doesn't store request body by default" do
-      new_env = env.merge(::Rack::RACK_INPUT => StringIO.new("ignore me"))
+  it "doesn't store request body by default" do
+    new_env = env.merge(::Rack::RACK_INPUT => StringIO.new("ignore me"))
 
-      interface = described_class.build(env: new_env)
+    interface = described_class.build(env: new_env)
 
-      expect(interface.data).to eq(nil)
-    end
+    expect(interface.data).to eq(nil)
+  end
+
+  it "doesn't store query_string by default" do
+    new_env = env.merge(
+      "QUERY_STRING" => "token=xxxx"
+    )
+
+    interface = described_class.build(env: new_env)
+
+    expect(interface.query_string).to eq(nil)
   end
 
   context "with config.send_default_pii = true" do
@@ -186,6 +192,16 @@ def to_s
       expect(interface.data).to eq({ "data" => "catch me" })
     end
 
+    it "stores query string" do
+      new_env = env.merge(
+        "QUERY_STRING" => "token=xxxx"
+      )
+
+      interface = described_class.build(env: new_env)
+
+      expect(interface.query_string).to eq("token=xxxx")
+    end
+
     it "stores request body" do
       new_env = env.merge(::Rack::RACK_INPUT => StringIO.new("catch me"))