diff --git a/lrzip.c b/lrzip.c
index 675b937..5d9b96e 100644
--- a/lrzip.c
+++ b/lrzip.c
@@ -71,12 +71,9 @@ static i64 fdout_seekto(rzip_control *control, i64 pos)
 
 void write_magic(rzip_control *control)
 {
-	char magic[MAGIC_LEN];
-
-	memset(magic, 0, MAGIC_LEN);
-	strcpy(magic, "LRZI");
-	magic[4] = LRZIP_MAJOR_VERSION;
-	magic[5] = LRZIP_MINOR_VERSION;
+	char magic[MAGIC_LEN] = { 
+		'L', 'R', 'Z', 'I', LRZIP_MAJOR_VERSION, LRZIP_MINOR_VERSION 
+	};
 
 	/* File size is stored as zero for streaming STDOUT blocks when the
 	 * file size is unknown. In encrypted files, the size is left unknown