diff --git a/main.cpp b/main.cpp
index ae5887e..79618ec 100644
--- a/main.cpp
+++ b/main.cpp
@@ -47,9 +47,9 @@ int main()
 
 bool ZipArchiver()
 {
-	LocalFileHeader LFHeader;
-	CentralDirectory CentDirec;
-	EoCDRecord ECDR;
+	LocalFileHeader LFHeader = {};
+	CentralDirectory CentDir = {};
+	EoCDRecord ECDR = {};
 
 	using namespace std;
 
@@ -76,8 +76,13 @@ bool ZipArchiver()
 		fileIn.read((char *)pFile, fileInSize);
 
 		// Get CRC value
+		// TODO : streamsize 와 size_t 의 mismatch (long long <-> unsigned long long)
 		uint32_t myCRC = getCRC32(pFile, fileInSize);
 
+		// Put CRC value
+		LFHeader.crc32 = myCRC;
+		CentDir.crc32 = myCRC;
+
 		// Free
 		free(pFile);
 	}