diff --git a/React/Base/RCTLog.m b/React/Base/RCTLog.m
index d6bf84590..b9360f449 100644
--- a/React/Base/RCTLog.m
+++ b/React/Base/RCTLog.m
@@ -225,7 +225,7 @@ void _RCTLogInternal(
           NSString *address = [[frameSymbols componentsSeparatedByString:@"0x"][1] componentsSeparatedByString:@" "][0];
           NSRange addressRange = [frameSymbols rangeOfString:address];
           NSString *methodName = [frameSymbols substringFromIndex:(addressRange.location + addressRange.length + 1)];
-          if (idx == 1) {
+          if (idx == 1 && fileName) {
             NSString *file = [@(fileName) componentsSeparatedByString:@"/"].lastObject;
             [stack addObject:@{@"methodName": methodName, @"file": file, @"lineNumber": @(lineNumber)}];
           } else {