diff --git a/src/music.cpp b/src/music.cpp
--- a/src/music.cpp
+++ b/src/music.cpp
@@ -133,7 +133,7 @@ bool MusicSet::FillSetDetails(IniFile &i
 
 			this->songinfo[i].filename = filename; // non-owned pointer
 
-			IniItem *item = catindex->GetItem(_music_file_names[i]);
+			IniItem *item = catindex != nullptr ? catindex->GetItem(_music_file_names[i]) : nullptr;
 			if (item != nullptr && item->value.has_value() && !item->value->empty()) {
 				/* Song has a CAT file index, assume it's MPS MIDI format */
 				this->songinfo[i].filetype = MTT_MPSMIDI;
@@ -158,7 +158,7 @@ bool MusicSet::FillSetDetails(IniFile &i
 				 * the beginning, so we don't start reading e.g. root. */
 				while (*trimmed_filename == PATHSEPCHAR) trimmed_filename++;
 
-				item = names->GetItem(trimmed_filename);
+				item = names != nullptr ? names->GetItem(trimmed_filename) : nullptr;
 				if (item != nullptr && item->value.has_value() && !item->value->empty()) break;
 			}
 
@@ -179,7 +179,7 @@ bool MusicSet::FillSetDetails(IniFile &i
 				this->songinfo[i].tracknr = tracknr++;
 			}
 
-			item = trimmed_filename != nullptr ? timingtrim->GetItem(trimmed_filename) : nullptr;
+			item = trimmed_filename != nullptr && timingtrim != nullptr ? timingtrim->GetItem(trimmed_filename) : nullptr;
 			if (item != nullptr && item->value.has_value() && !item->value->empty()) {
 				auto endpos = item->value->find(':');
 				if (endpos != std::string::npos) {