diff --git a/src/sentry/constants.py b/src/sentry/constants.py
index e4d0f9c5bf24ae..44ad628a28a3dc 100644
--- a/src/sentry/constants.py
+++ b/src/sentry/constants.py
@@ -166,6 +166,23 @@ def get_all_languages():
     'access_token',
 )
 
+VALID_PLATFORMS = set([
+    'as3',
+    'c',
+    'cfml',
+    'csharp',
+    'go',
+    'java',
+    'javascript',
+    'node',
+    'objc',
+    'other',
+    'perl',
+    'php',
+    'python',
+    'ruby',
+])
+
 OK_PLUGIN_ENABLED = _("The {name} integration has been enabled.")
 
 OK_PLUGIN_DISABLED = _("The {name} integration has been disabled.")
diff --git a/src/sentry/coreapi.py b/src/sentry/coreapi.py
index 82e0987310a1fe..947cbfff1806b2 100644
--- a/src/sentry/coreapi.py
+++ b/src/sentry/coreapi.py
@@ -26,7 +26,7 @@
 from sentry.cache import default_cache
 from sentry.constants import (
     CLIENT_RESERVED_ATTRS, DEFAULT_LOG_LEVEL, LOG_LEVELS, MAX_TAG_VALUE_LENGTH,
-    MAX_TAG_KEY_LENGTH
+    MAX_TAG_KEY_LENGTH, VALID_PLATFORMS
 )
 from sentry.interfaces.base import get_interface, InterfaceValidationError
 from sentry.interfaces.csp import Csp
@@ -384,6 +384,9 @@ def validate_data(self, project, data):
                     'value': data['fingerprint'],
                 })
 
+        if 'platform' not in data or data['platform'] not in VALID_PLATFORMS:
+            data['platform'] = 'other'
+
         if data.get('modules') and type(data['modules']) != dict:
             self.log.info(
                 'Discarded invalid type for modules: %s',
diff --git a/tests/sentry/coreapi/tests.py b/tests/sentry/coreapi/tests.py
index 421dbebe9760f6..b1d87e352af0d9 100644
--- a/tests/sentry/coreapi/tests.py
+++ b/tests/sentry/coreapi/tests.py
@@ -288,6 +288,22 @@ def test_release_as_non_string(self):
         })
         assert data.get('release') == '42'
 
+    def test_valid_platform(self):
+        data = self.helper.validate_data(self.project, {
+            'platform': 'python',
+        })
+        assert data.get('platform') == 'python'
+
+    def test_no_platform(self):
+        data = self.helper.validate_data(self.project, {})
+        assert data.get('platform') == 'other'
+
+    def test_invalid_platform(self):
+        data = self.helper.validate_data(self.project, {
+            'platform': 'foobar',
+        })
+        assert data.get('platform') == 'other'
+
 
 class GetInterfaceTest(TestCase):
     def test_does_not_let_through_disallowed_name(self):