diff --git a/DOSBox-mt32-patch/asyncThread/midi_mt32.h b/DOSBox-mt32-patch/asyncThread/midi_mt32.h
index a6886c7..c1656ea 100644
--- a/DOSBox-mt32-patch/asyncThread/midi_mt32.h
+++ b/DOSBox-mt32-patch/asyncThread/midi_mt32.h
@@ -111,6 +111,8 @@ public:
 			LOG_MSG("MT32: Error initialising emulation");
 			return false;
 		}
+		MT32Emu::ROMImage::freeROMImage(controlROMImage);
+		MT32Emu::ROMImage::freeROMImage(pcmROMImage);
 
 		Section_prop *section = static_cast<Section_prop *>(control->GetSection("midi"));
 		if (strcmp(section->Get_string("mt32.reverb.mode"), "auto") != 0) {
diff --git a/DOSBox-mt32-patch/singleThread/midi_mt32.h b/DOSBox-mt32-patch/singleThread/midi_mt32.h
index 0685cc7..55bf032 100644
--- a/DOSBox-mt32-patch/singleThread/midi_mt32.h
+++ b/DOSBox-mt32-patch/singleThread/midi_mt32.h
@@ -92,6 +92,8 @@ public:
 			LOG_MSG("MT32: Error initialising emulation");
 			return false;
 		}
+		MT32Emu::ROMImage::freeROMImage(controlROMImage);
+		MT32Emu::ROMImage::freeROMImage(pcmROMImage);
 
 		Section_prop *section = static_cast<Section_prop *>(control->GetSection("midi"));
 		if (strcmp(section->Get_string("mt32.reverb.mode"), "auto") != 0) {
diff --git a/DOSBox-mt32-patch/syncThread/midi_mt32.h b/DOSBox-mt32-patch/syncThread/midi_mt32.h
index 60dd667..25b50de 100644
--- a/DOSBox-mt32-patch/syncThread/midi_mt32.h
+++ b/DOSBox-mt32-patch/syncThread/midi_mt32.h
@@ -103,6 +103,8 @@ public:
 			LOG_MSG("MT32: Error initialising emulation");
 			return false;
 		}
+		MT32Emu::ROMImage::freeROMImage(controlROMImage);
+		MT32Emu::ROMImage::freeROMImage(pcmROMImage);
 
 		Section_prop *section = static_cast<Section_prop *>(control->GetSection("midi"));
 		if (strcmp(section->Get_string("mt32.reverb.mode"), "auto") != 0) {