diff --git a/src/libs/memsinksh.c b/src/libs/memsinksh.c
index d93ce7e..d0314a9 100644
--- a/src/libs/memsinksh.c
+++ b/src/libs/memsinksh.c
@@ -61,7 +61,7 @@ uz us_memsink_calculate_size(const char *obj) {
 		} else if (!strcasecmp(ptr, "h264")) {
 			return 2 * 1024 * 1024;
 		} else if (!strcasecmp(ptr, "raw")) {
-			return 1920 * 1200 * 3; // RGB
+			return 3840 * 2160 * 3; // RGB
 		}
 	}
 	return 0;
diff --git a/src/libs/memsinksh.h b/src/libs/memsinksh.h
index 031ee37..e65581c 100644
--- a/src/libs/memsinksh.h
+++ b/src/libs/memsinksh.h
@@ -27,7 +27,7 @@
 
 
 #define US_MEMSINK_MAGIC	((u64)0xCAFEBABECAFEBABE)
-#define US_MEMSINK_VERSION	((u32)7)
+#define US_MEMSINK_VERSION	((u32)8)
 
 
 typedef struct {