diff --git a/extern/cuew/include/cuew.h b/extern/cuew/include/cuew.h
index 19087117667..4cce29d38ab 100644
--- a/extern/cuew/include/cuew.h
+++ b/extern/cuew/include/cuew.h
@@ -114,7 +114,7 @@ extern "C" {
 #define cuGLGetDevices cuGLGetDevices_v2
 
 /* Types. */
-#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64)
+#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) || defined (__aarch64__)
 typedef unsigned long long CUdeviceptr;
 #else
 typedef unsigned int CUdeviceptr;