diff --git a/XCode/PBXFileReference.m b/XCode/PBXFileReference.m
index 2714a58..31a098d 100644
--- a/XCode/PBXFileReference.m
+++ b/XCode/PBXFileReference.m
@@ -468,7 +468,7 @@ - (NSArray *) substituteSearchPaths: (NSArray *)array
   NSDictionary *plistFile = [context config];
   NSArray *headerPaths = [plistFile objectForKey: @"headerPaths"];
 
-  XCBuildConfiguration *config = [[list buildConfigurations] objectAtIndex: 0];
+  XCBuildConfiguration *config = [[list buildConfigurations] count] > 0 ? [[list buildConfigurations] objectAtIndex: 0] : nil;
   NSDictionary *buildSettings = [config buildSettings];
   NSMutableArray *headers = [buildSettings objectForKey: @"HEADER_SEARCH_PATHS"];