diff --git a/React/CxxBridge/RCTCxxBridge.mm b/React/CxxBridge/RCTCxxBridge.mm
index 62b13fa9110..2241f9830a3 100644
--- a/React/CxxBridge/RCTCxxBridge.mm
+++ b/React/CxxBridge/RCTCxxBridge.mm
@@ -1258,6 +1258,10 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithBundleURL:(__unused NSURL *)bundleUR
       NSData *logData = [log dataUsingEncoding:NSUTF8StringEncoding];
       callback(logData);
       #if WITH_FBSYSTRACE
+      if (![RCTFBSystrace verifyTraceSize:logData.length]) {
+        RCTLogWarn(@"Your FBSystrace trace might be truncated, try to bump up the buffer size"
+                   " in RCTFBSystrace.m or capture a shorter trace");
+      }
       [RCTFBSystrace unregisterCallbacks];
       #endif
     });