diff --git a/src/pkzip_fmt_plug.c b/src/pkzip_fmt_plug.c
index 915a537..6ee66d9 100644
--- a/src/pkzip_fmt_plug.c
+++ b/src/pkzip_fmt_plug.c
@@ -1085,7 +1085,7 @@ __inline__
 /* return a failure.  We have 24 bytes of inflate data, and this almost always is more than enough   */
 /* to turn up an error.  If we find we need more, we will do more than 24                            */
 static int check_inflate_CODE1(u8 *next, int left) {
-	u32 whave, op, bits, hold,len;
+	u32 whave = 0, op, bits, hold,len;
 	code here;
 
 #if (ARCH_LITTLE_ENDIAN==1) && (ARCH_ALLOWS_UNALIGNED==1)
diff --git a/src/zip2john.c b/src/zip2john.c
index 9ba1140..fe454ab 100644
--- a/src/zip2john.c
+++ b/src/zip2john.c
@@ -209,7 +209,7 @@ static void process_file(const char *fname)
 				process_old_zip(fname);
 				return;
 			} else {
-				printf("%s->%s is not encrypted!\n", fname,
+				fprintf(stderr, "%s->%s is not encrypted!\n", fname,
 				    filename);
 				fseek(fp, extrafield_length, SEEK_CUR);
 				fseek(fp, compressed_size, SEEK_CUR);
@@ -457,7 +457,7 @@ static void process_old_zip(const char *fname)
 print_and_cleanup:;
 	if (count_of_hashes) {
 		int i=1;
-		printf ("$pkzip$%x*%x*", count_of_hashes, zfp.two_byte_check?2:1);
+		printf ("%s:$pkzip$%x*%x*", fname, count_of_hashes, zfp.two_byte_check?2:1);
 		if (checksum_only)
 			i = 0;
 		for (; i < count_of_hashes; ++i) {
@@ -476,7 +476,7 @@ print_and_cleanup:;
 			if (hashes[0].cmp_len<1500)
 				printf("%x*%s*%s*", hashes[0].cmp_len, hashes[0].chksum, toHex((unsigned char*)hashes[0].hash_data, hashes[0].cmp_len));
 			else
-				printf("%x*%s*%s*", strlen(fname), hashes[0].chksum, fname);
+				printf("%x*%s*%s*", (unsigned int)strlen(fname), hashes[0].chksum, fname);
 		}
 		printf("$/pkzip$\n");
 	}