diff --git a/libretro/libretro.c b/libretro/libretro.c
index 6f666ce..030ea62 100644
--- a/libretro/libretro.c
+++ b/libretro/libretro.c
@@ -539,19 +539,19 @@ static void config_default(void)
 
 static void bram_load(void)
 {
-    FILE *fp;
+    RFILE *fp;
 
     /* automatically load internal backup RAM */
     switch (region_code)
     {
        case REGION_JAPAN_NTSC:
-          fp = fopen(CD_BRAM_JP, "rb");
+          fp = filestream_open(CD_BRAM_JP, RFILE_MODE_READ, -1);
           break;
        case REGION_EUROPE:
-          fp = fopen(CD_BRAM_EU, "rb");
+          fp = filestream_open(CD_BRAM_EU, RFILE_MODE_READ, -1);
           break;
        case REGION_USA:
-          fp = fopen(CD_BRAM_US, "rb");
+          fp = filestream_open(CD_BRAM_US, RFILE_MODE_READ, -1);
           break;
        default:
           return;
@@ -559,8 +559,8 @@ static void bram_load(void)
 
     if (fp != NULL)
     {
-      fread(scd.bram, 0x2000, 1, fp);
-      fclose(fp);
+      filestream_read(fp, scd.bram, 0x2000);
+      filestream_close(fp);
 
       /* update CRC */
       brm_crc[0] = crc32(0, scd.bram, 0x2000);
@@ -591,7 +591,7 @@ static void bram_load(void)
     /* automatically load cartridge backup RAM (if enabled) */
     if (scd.cartridge.id)
     {
-      fp = fopen(CART_BRAM, "rb");
+      fp = filestream_open(CART_BRAM, RFILE_MODE_READ, -1);
       if (fp != NULL)
       {
         int filesize = scd.cartridge.mask + 1;
@@ -600,7 +600,7 @@ static void bram_load(void)
         /* Read into buffer (2k blocks) */
         while (filesize > CHUNKSIZE)
         {
-          fread(scd.cartridge.area + done, CHUNKSIZE, 1, fp);
+          filestream_read(fp, scd.cartridge.area + done, CHUNKSIZE);
           done += CHUNKSIZE;
           filesize -= CHUNKSIZE;
         }
@@ -608,11 +608,11 @@ static void bram_load(void)
         /* Read remaining bytes */
         if (filesize)
         {
-          fread(scd.cartridge.area + done, filesize, 1, fp);
+          filestream_read(fp, scd.cartridge.area + done, filesize);
         }
 
         /* close file */
-        fclose(fp);
+        filestream_close(fp);
 
         /* update CRC */
         brm_crc[1] = crc32(0, scd.cartridge.area, scd.cartridge.mask + 1);
@@ -636,7 +636,7 @@ static void bram_load(void)
 
 static void bram_save(void)
 {
-    FILE *fp;
+    RFILE *fp;
 
     /* verify that internal backup RAM has been modified */
     if (crc32(0, scd.bram, 0x2000) != brm_crc[0])
@@ -647,13 +647,13 @@ static void bram_save(void)
         switch (region_code)
         {
           case REGION_JAPAN_NTSC:
-            fp = fopen(CD_BRAM_JP, "wb");
+            fp = filestream_open(CD_BRAM_JP, RFILE_MODE_WRITE, -1);
             break;
           case REGION_EUROPE:
-            fp = fopen(CD_BRAM_EU, "wb");
+            fp = filestream_open(CD_BRAM_EU, RFILE_MODE_WRITE, -1);
             break;
           case REGION_USA:
-            fp = fopen(CD_BRAM_US, "wb");
+            fp = filestream_open(CD_BRAM_US, RFILE_MODE_WRITE, -1);
             break;
           default:
             return;
@@ -661,8 +661,8 @@ static void bram_save(void)
 
         if (fp != NULL)
         {
-          fwrite(scd.bram, 0x2000, 1, fp);
-          fclose(fp);
+          filestream_write(fp, scd.bram, 0x2000);
+          filestream_close(fp);
 
           /* update CRC */
           brm_crc[0] = crc32(0, scd.bram, 0x2000);
@@ -676,7 +676,7 @@ static void bram_save(void)
       /* check if it is correctly formatted before saving */
       if (!memcmp(scd.cartridge.area + scd.cartridge.mask + 1 - 0x20, brm_format + 0x20, 0x20))
       {
-        fp = fopen(CART_BRAM, "wb");
+        fp = filestream_open(CART_BRAM, RFILE_MODE_WRITE, -1);
         if (fp != NULL)
         {
           int filesize = scd.cartridge.mask + 1;
@@ -685,7 +685,7 @@ static void bram_save(void)
           /* Write to file (2k blocks) */
           while (filesize > CHUNKSIZE)
           {
-            fwrite(scd.cartridge.area + done, CHUNKSIZE, 1, fp);
+            filestream_write(fp, scd.cartridge.area + done, CHUNKSIZE);
             done += CHUNKSIZE;
             filesize -= CHUNKSIZE;
           }
@@ -693,11 +693,11 @@ static void bram_save(void)
           /* Write remaining bytes */
           if (filesize)
           {
-            fwrite(scd.cartridge.area + done, filesize, 1, fp);
+            filestream_write(fp, scd.cartridge.area + done, filesize);
           }
 
           /* Close file */
-          fclose(fp);
+          filestream_close(fp);
 
           /* update CRC */
           brm_crc[1] = crc32(0, scd.cartridge.area, scd.cartridge.mask + 1);