diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bd5026bf47..61ae9eae080 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes
+
+- Prewarmed app start detection (#2151)
+
 ## 7.25.0
 
 ### Features
diff --git a/Sources/Sentry/SentryAppStartTracker.m b/Sources/Sentry/SentryAppStartTracker.m
index 328ef6f3f70..ab4347acc2f 100644
--- a/Sources/Sentry/SentryAppStartTracker.m
+++ b/Sources/Sentry/SentryAppStartTracker.m
@@ -47,7 +47,8 @@ + (void)load
     // The OS sets this environment variable if the app start is pre warmed. There are no official
     // docs for this. Found at https://eisel.me/startup. Investigations show that this variable is
     // deleted after UIApplicationDidFinishLaunchingNotification, so we have to check it here.
-    isActivePrewarm = [[NSProcessInfo processInfo].environment[@"ActivePrewarm"] isEqual:@"1"];
+    isActivePrewarm =
+        [[NSProcessInfo processInfo].environment[@"ActivePrewarm"] isEqualToString:@"1"];
 }
 
 - (instancetype)initWithCurrentDateProvider:(id<SentryCurrentDateProvider>)currentDateProvider