diff --git a/partition.cpp b/partition.cpp
index 293e95b8..ba4c9dd0 100755
--- a/partition.cpp
+++ b/partition.cpp
@@ -767,7 +767,8 @@ bool TWPartition::Decrypt_FBE_DE() {
 	ExcludeAll(Mount_Point + "/cache");
 	ExcludeAll(Mount_Point + "/system/users/0");
 	ExcludeAll(Mount_Point + "/per_boot"); // removed each boot by init
-	
+	ExcludeAll(Mount_Point + "/gsi"); // cow devices
+
 	int retry_count = 3;
 	while (!Decrypt_DE() && --retry_count)
 		usleep(2000);