diff --git a/twrpinstall/include/twinstall.h b/twrpinstall/include/twinstall.h
old mode 100755
new mode 100644
index f60dd26..406ab6f
--- a/twrpinstall/include/twinstall.h
+++ b/twrpinstall/include/twinstall.h
@@ -1,6 +1,6 @@
 #ifndef RECOVERY_TWINSTALL_H_
 #define RECOVERY_TWINSTALL_H_
 
-int TWinstall_zip(const char* path, int* wipe_cache);
+int TWinstall_zip(const char* path, int* wipe_cache, bool check_for_digest = false);
 
 #endif  // RECOVERY_TWINSTALL_H_
diff --git a/twrpinstall/twinstall.cpp b/twrpinstall/twinstall.cpp
index d4c960a..62bbcbb 100755
--- a/twrpinstall/twinstall.cpp
+++ b/twrpinstall/twinstall.cpp
@@ -241,7 +241,7 @@
 	return INSTALL_SUCCESS;
 }
 
-int TWinstall_zip(const char* path, int* wipe_cache) {
+int TWinstall_zip(const char* path, int* wipe_cache, bool check_for_digest) {
 	int ret_val, zip_verify = 1, unmount_system = 1;
 
 	gui_msg(Msg("installing_zip=Installing zip file '{1}'")(path));
@@ -249,11 +249,12 @@
 		string digest_str;
 		string Full_Filename = path;
 
-		gui_msg("check_for_digest=Checking for Digest file...");
-
-		if (*path != '@' && !twrpDigestDriver::Check_File_Digest(Full_Filename)) {
-			LOGERR("Aborting zip install: Digest verification failed\n");
-			return INSTALL_CORRUPT;
+		if (check_for_digest) {
+			gui_msg("check_for_digest=Checking for Digest file...");
+			if (*path != '@' && !twrpDigestDriver::Check_File_Digest(Full_Filename)) {
+				LOGERR("Aborting zip install: Digest verification failed\n");
+				return INSTALL_CORRUPT;
+			}
 		}
 	}