diff --git a/z80debug.cpp b/z80debug.cpp
index 5576d9f..ab7d6b0 100644
--- a/z80debug.cpp
+++ b/z80debug.cpp
@@ -7,6 +7,7 @@
 #include "zx_ula.h"
 #include "zx_speaker.h"
 #include "zx_tape.h"
+#include "zx_disk.h"
 #include "ui.h"
 #include "ui_window.h"
 #include "zx_screen.h"
@@ -906,6 +907,14 @@ namespace z80debug
             } else if (strcmp(cmd, "play")==0) {
                 zx_tape::play();
             }
+        } else if (strcmp(cmd, "disk")==0) {
+            getcmd();
+            if (strcmp(cmd, "load")==0) {
+                getcmd();
+                char filename[256];
+                strcpy(filename, cmd);
+                zx_disk::load(filename);
+            }
         } else if (strcmp(cmd, "poke")==0) {
             getcmd();
             int address = getnum(cmd);
diff --git a/zx_disk.cpp b/zx_disk.cpp
index 501b4cd..e766186 100644
--- a/zx_disk.cpp
+++ b/zx_disk.cpp
@@ -109,7 +109,7 @@ namespace zx_disk
         if (disk.tracks) {
             for (int i=0; i<disk.num_tracks; ++i) {
                 for (int j=0; j<disk.tracks[i].num_sectors; ++j) {
-                    free(disk.tracks[i].sectors[i].data);
+                    free(disk.tracks[i].sectors[j].data);
                 }
                 free(disk.tracks[i].sectors);
             }
diff --git a/zx_mem.cpp b/zx_mem.cpp
index fcd584d..2f55614 100644
--- a/zx_mem.cpp
+++ b/zx_mem.cpp
@@ -1,5 +1,5 @@
 #include "zx_mem.h"
-#include "stdlib.h"
+#include <stdlib.h>
 #include "z80.h"
 #include "zx_screen.h"