diff --git a/src/userland/usbStorage/include/storage.h b/src/userland/usbStorage/include/storage.h
index da49ead..76c4f30 100644
--- a/src/userland/usbStorage/include/storage.h
+++ b/src/userland/usbStorage/include/storage.h
@@ -6,7 +6,6 @@
 typedef struct {
     uint32_t serviceId;
     uint32_t deviceId;
-    uint32_t getType;
 } StorageDevice;
 
 #endif // STORAGE_H
\ No newline at end of file

diff --git a/src/userland/usbStorage/include/storage.h b/src/userland/usbStorage/include/storage.h
index da49ead..76c4f30 100644
--- a/src/userland/usbStorage/include/storage.h
+++ b/src/userland/usbStorage/include/storage.h
@@ -6,7 +6,6 @@
 typedef struct {
     uint32_t serviceId;
     uint32_t deviceId;
-    uint32_t getType;
 } StorageDevice;
 
 #endif // STORAGE_H
\ No newline at end of file
diff --git a/src/userland/usbStorage/main.c b/src/userland/usbStorage/main.c
index 4d623da..953c029 100644
--- a/src/userland/usbStorage/main.c
+++ b/src/userland/usbStorage/main.c
@@ -10,11 +10,9 @@
 
 
 void setup(uint32_t in, uint32_t out, uint32_t serviceName, uint32_t serviceId) {
-    StorageDevice *device = malloc(sizeof(StorageDevice));
-    device->serviceId = serviceId;
-    device->getType = getFunction(serviceId, "get_type");
-    UsbInterfaceType typeIn = { .value = request(serviceId, device->getType, in, 0) };
-    UsbInterfaceType typeOut = { .value = request(serviceId, device->getType, out, 0) };
+    uint32_t getType = getFunction(serviceId, "get_type");
+    UsbInterfaceType typeIn = { .value = request(serviceId, getType, in, 0) };
+    UsbInterfaceType typeOut = { .value = request(serviceId, getType, out, 0) };
     if (typeIn.value != typeOut.value) {
         printf("something went wrong when assigning the in and out pipes, aborting...\n");
         return;
@@ -43,6 +41,12 @@
     case 0x62: printf("protocol: UAS\n"); break;
     default: printf("protocol: unknown\n"); break;
     }
+    if (typeIn.types.protocol != 0x50) {
+        printf("only bulk only protocol supported for now, aborting...\n");
+        return;
+    }
+    StorageDevice *device = malloc(sizeof(StorageDevice));
+    device->serviceId = serviceId;
     printf("in: %x, out: %x, typeIn: %x, typeOut: %x\n", in, out, typeIn, typeOut);
 }