diff --git a/nx/include/switch/arm.h b/nx/include/switch/arm.h
index 9a429fef..daa64e1d 100644
--- a/nx/include/switch/arm.h
+++ b/nx/include/switch/arm.h
@@ -4,4 +4,4 @@ static inline void* armGetTls(void) {
     return ret;
 }
 
-void osDCacheFlush(void* addr, size_t size);
+void armDCacheFlush(void* addr, size_t size);
diff --git a/nx/source/services/usb.c b/nx/source/services/usb.c
index f4e1b62c..6554b2ac 100644
--- a/nx/source/services/usb.c
+++ b/nx/source/services/usb.c
@@ -478,7 +478,7 @@ static Result _usbDsCmdNoParams(Handle sessionhandle, u64 cmd_id) {
 static Result _usbDsPostBuffer(Handle sessionhandle, u64 cmd_id, void* buffer, size_t size, u32 *urbId) {
     if(sessionhandle==0)return MAKERESULT(MODULE_LIBNX, LIBNX_NOTINITIALIZED);
 
-    osDCacheFlush(buffer, size);
+    armDCacheFlush(buffer, size);
 
     IpcCommand c;
     ipcInitialize(&c);