diff --git a/ntedit.cpp b/ntedit.cpp
index 60d9334..457b5de 100644
--- a/ntedit.cpp
+++ b/ntedit.cpp
@@ -2146,8 +2146,10 @@ main(int argc, char** argv) // NOLINT
 		// if the file is specified check that it is readable
 		assert_readable(opt::vcf_filename);
 		if (opt::vcf_filename.substr(opt::vcf_filename.find_last_of('.') + 1) == "gz") { // NOLINT
-			cout << PROGRAM ": warning: *gz files are not yet supported. The VCF will not be read. Please "
-			        "relaunch ntEdit with .vcf after decompressing with unpigz or gunzip\n\n";
+			cout << PROGRAM
+			    ": warning: *gz files are not yet supported. The VCF will not be read. Please "
+			    "relaunch ntEdit with .vcf after decompressing with unpigz or gunzip\n\n";
+
 		} else {
 			ifstream myfile(opt::vcf_filename);
 			if (myfile.is_open()) {