diff --git a/src/argument_parsing.h b/src/argument_parsing.h
index 879ec932bc5e425ff4f48ff2688c9f32d16e41c2..7add025f09e841300d95b81133d5572b9d57926d 100644
--- a/src/argument_parsing.h
+++ b/src/argument_parsing.h
@@ -1584,10 +1584,10 @@ ArgumentParser::ParseResult checkInput(FindLocationsOptions &options){
         res = ArgumentParser::PARSE_ERROR;
     }
 
-    if (!exists(options.non_ref_bam)){
-        std::cerr << "ERROR: Non-reference reads input file \'" << options.non_ref_bam << "\' does not exist." << std::endl;
-        res = ArgumentParser::PARSE_ERROR;
-    }
+    //if (!exists(options.non_ref_bam)){
+    //    std::cerr << "ERROR: Non-reference reads input file \'" << options.non_ref_bam << "\' does not exist." << std::endl;
+    //    res = ArgumentParser::PARSE_ERROR;
+    //}
 
     return res;
 }