diff --git a/anago/Makefile b/anago/Makefile
index 319ea64..100dfd1 100644
--- a/anago/Makefile
+++ b/anago/Makefile
@@ -4,8 +4,8 @@ SQUIRREL = /usr/include/squirrel3
 
 KAZZO = ../unagi_kazzo/firmware
 VPATH = ..
-#CFLAGS = -g -O0
-CFLAGS = -O2
+CFLAGS = -g -O0
+#CFLAGS = -O2
 #CFLAGS += -Wall -Werror -I.. -I$(LIBUSB)/include -I$(SQUIRREL)/include -I$(KAZZO) -DDEBUG=1 -DANAGO=1
 CFLAGS += -Wall -Werror -I.. -I$(KAZZO) -I$(SQUIRREL) -DDEBUG=1 -DANAGO=1
 #LDFLAG = -L. -L$(LIBUSB)/lib/gcc -L$(SQUIRREL)/lib
diff --git a/reader_kazzo.c b/reader_kazzo.c
index 2dcedb2..a9037bb 100644
--- a/reader_kazzo.c
+++ b/reader_kazzo.c
@@ -22,10 +22,13 @@ static usb_dev_handle *device_open(void)
 	vid = (rawVid[1] << 8) | rawVid[0];
 	pid = (rawPid[1] << 8) | rawPid[0];
 
-	if(usbOpenDevice(&handle, vid, vendor, pid, product, NULL, NULL, NULL) == 0){
+	usb_init();
+	int open_result = usbOpenDevice(&handle, vid, vendor, pid, product, NULL, NULL, NULL);
+	if(open_result == USBOPEN_SUCCESS){
 		return handle;
 	}
-	fprintf(stderr, "Could not find USB device \"%s\" with vid=0x%x pid=0x%x\n", product, vid, pid);
+	fprintf(stderr, "Could not find USB device \"%s\" with vid=0x%x pid=0x%x; code: %d\n", 
+		product, vid, pid, open_result);
 	return NULL;
 }
 
@@ -96,7 +99,7 @@ bits. To prevent losting bits, mask data xor 0xa5;
 static void device_write(usb_dev_handle *handle, enum request w, 
     enum index index, long address, long length, const uint8_t *data)
 {
-	uint8_t *d = malloc(length);
+	uint8_t *d = Malloc(length);
 	int i;
 	memcpy(d, data, length);
 	for(i = 0; i < length; i++){