diff --git a/include/ntapi/nt_sysinfo.h b/include/ntapi/nt_sysinfo.h
index c941a0b..305095d 100644
--- a/include/ntapi/nt_sysinfo.h
+++ b/include/ntapi/nt_sysinfo.h
@@ -210,14 +210,8 @@ typedef enum _nt_debug_control_code {
 #define NT_FLG_SYSTEM_OBJECT_SINGLE_HANDLE_ENTRY    (uint32_t)0x40
 
 
-typedef struct _nt_system_information_buffer {
-	size_t		count;
-	size_t		mark;
-} nt_system_information_buffer;
-
-
 typedef struct _nt_system_information_snapshot {
-	nt_system_information_buffer *	buffer;
+	void *				buffer;
 	void *				pcurrent;
 	size_t				info_len;
 	size_t				max_len;
diff --git a/src/system/ntapi_tt_get_system_info_snapshot.c b/src/system/ntapi_tt_get_system_info_snapshot.c
index fd51f46..1f55752 100644
--- a/src/system/ntapi_tt_get_system_info_snapshot.c
+++ b/src/system/ntapi_tt_get_system_info_snapshot.c
@@ -30,7 +30,7 @@ int32_t __stdcall __ntapi_tt_get_system_info_snapshot(
 		/* allocate initial buffer */
 		status = __ntapi->zw_allocate_virtual_memory(
 			NT_CURRENT_PROCESS_HANDLE,
-			(void **)&sys_info_snapshot->buffer,
+			&sys_info_snapshot->buffer,
 			0,
 			&sys_info_snapshot->max_len,
 			NT_MEM_COMMIT,
@@ -51,7 +51,7 @@ int32_t __stdcall __ntapi_tt_get_system_info_snapshot(
 			/* free previously allocated memory */
 			status = __ntapi->zw_free_virtual_memory(
 					NT_CURRENT_PROCESS_HANDLE,
-					(void **)&sys_info_snapshot->buffer,
+					&sys_info_snapshot->buffer,
 					&sys_info_snapshot->max_len,
 					NT_MEM_RELEASE);
 
@@ -60,13 +60,13 @@ int32_t __stdcall __ntapi_tt_get_system_info_snapshot(
 				return status;
 
 			/* reset buffer and increase buffer size */
-			sys_info_snapshot->buffer = (nt_system_information_buffer *)0;
+			sys_info_snapshot->buffer   = 0;
 			sys_info_snapshot->max_len += NT_ALLOCATION_GRANULARITY;
 
 			/* reallocate buffer memory */
 			status = __ntapi->zw_allocate_virtual_memory(
 					NT_CURRENT_PROCESS_HANDLE,
-					(void **)&sys_info_snapshot->buffer,
+					&sys_info_snapshot->buffer,
 					0,
 					&sys_info_snapshot->max_len,
 					NT_MEM_COMMIT,
@@ -80,7 +80,7 @@ int32_t __stdcall __ntapi_tt_get_system_info_snapshot(
 
 	/* verification */
 	if (status == NT_STATUS_SUCCESS) {
-		sys_info_snapshot->pcurrent = &sys_info_snapshot->buffer->mark;
+		sys_info_snapshot->pcurrent = sys_info_snapshot->buffer;
 		return NT_STATUS_SUCCESS;
 	} else {
 		sys_info_snapshot->pcurrent = (void *)0;