diff --git a/twrpTar.cpp b/twrpTar.cpp
index 90c7ea3..a8e75b3 100644
--- a/twrpTar.cpp
+++ b/twrpTar.cpp
@@ -1263,7 +1263,7 @@
 
 int twrpTar::removeEOT(string tarFile) {
 	char* charTarFile = (char*) tarFile.c_str();
-	off_t tarFileEnd;
+	off_t tarFileEnd = 0;
 	while (th_read(t) == 0) {
 		if (TH_ISREG(t))
 			tar_skip_regfile(t);
@@ -1271,7 +1271,7 @@
 	}
 	if (tar_close(t) == -1)
 		return -1;
-	if (truncate(charTarFile, tarFileEnd) == -1)
+	if (tarFileEnd > 0 && truncate(charTarFile, tarFileEnd) == -1)
 		return -1;
 	return 0;
 }