diff --git a/src/ideviceinstaller.c b/src/ideviceinstaller.c
index bde9d97..71bbc39 100644
--- a/src/ideviceinstaller.c
+++ b/src/ideviceinstaller.c
@@ -635,6 +635,9 @@ run_again:
 
 			/* check for "Payload" directory */
 			strcpy(filename, zip_get_name(zf, 0, 0));
+			if (strlen(filename) > 0 && filename[strlen(filename) - 1] == '/') {
+				filename[strlen(filename) - 1] = '\0';
+			}
 			if (strcmp(filename, "Payload") != 0) {
 				fprintf(stderr, "Unable to locate Payload folder in archive!\n");
 				zip_unchange_all(zf);