diff --git a/desmume/src/frontend/interface/interface.cpp b/desmume/src/frontend/interface/interface.cpp
index bb731db2c..4ba60554a 100644
--- a/desmume/src/frontend/interface/interface.cpp
+++ b/desmume/src/frontend/interface/interface.cpp
@@ -39,6 +39,7 @@
 
 #define SCREENS_PIXEL_SIZE 98304
 volatile bool execute = false;
+static bool rom_opened = false;
 TieredRegion hooked_regions [HOOK_COUNT];
 std::map<unsigned int, memory_cb_fnc> hooks[HOOK_COUNT];
 
@@ -97,11 +98,23 @@ EXPORTED void desmume_set_language(u8 lang)
 EXPORTED int desmume_open(const char *filename)
 {
     int i;
+    if (rom_opened) {
+        NDS_FreeROM();
+    }
     clear_savestates();
     i = NDS_LoadROM(filename);
+    if (i > 0) {
+        rom_opened = true;
+    }
     return i;
 }
 
+EXPORTED void desmume_close()
+{
+    NDS_FreeROM();
+    rom_opened = false;
+}
+
 EXPORTED void desmume_set_savetype(int type) {
     backup_setManualBackupType(type);
 }
diff --git a/desmume/src/frontend/interface/interface.h b/desmume/src/frontend/interface/interface.h
index d595423c4..1b825247e 100755
--- a/desmume/src/frontend/interface/interface.h
+++ b/desmume/src/frontend/interface/interface.h
@@ -71,7 +71,10 @@ EXPORTED void desmume_free(void);
 
 // 0 = Japanese, 1 = English, 2 = French, 3 = German, 4 = Italian, 5 = Spanish
 EXPORTED void desmume_set_language(u8 language);
+// Opens a new ROM, if a ROM was already opened, a new one is opened and the old was is automatically free'd.
 EXPORTED int desmume_open(const char *filename);
+// Frees and closes a ROM opened with desmume_open.
+EXPORTED void desmume_close();
 EXPORTED void desmume_set_savetype(int type);
 EXPORTED void desmume_pause(void);
 EXPORTED void desmume_resume(void);