diff --git a/soundlib/Load_mod.cpp b/soundlib/Load_mod.cpp
index bfc57c83d2..4cc83fb0d1 100644
--- a/soundlib/Load_mod.cpp
+++ b/soundlib/Load_mod.cpp
@@ -1313,13 +1313,13 @@ bool CSoundFile::ReadMOD(FileReader &file, ModLoadingFlags loadFlags)
 			{
 				if(++emptySampleReferences > 1)
 				{
+#ifdef MPT_EXTERNAL_SAMPLES
 					mpt::ustring filenameHint;
 					if(file.GetOptionalFileName())
 					{
 						const auto filename = file.GetOptionalFileName()->GetFilename().ToUnicode();
 						filenameHint = MPT_UFORMAT(" ({}.nt or {}.as)")(filename, filename);
 					}
-#ifdef MPT_EXTERNAL_SAMPLES
 					AddToLog(LogWarning, MPT_UFORMAT("This Startrekker AM file is most likely missing its companion file{}. Synthesized instruments will not play.")(filenameHint));
 #else
 					AddToLog(LogWarning, U_("This appears to be a Startrekker AM file with external synthesizes instruments. External instruments are currently not supported."));