Index: decode.c
--- decode.c.orig
+++ decode.c
@@ -25,17 +25,20 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  * SOFTWARE.  */
 
+#include <err.h>
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
+#include <stdlib.h>
+#include <md5.h>
 #include "xmalloc.h"
 #include "common.h"
 #include "part.h"
-#include "md5.h"
 
 extern char *os_idtodir(char *id);
 extern FILE *os_newtypedfile(char *fname, char *contentType, int flags, params contentParams);
 extern FILE *os_createnewfile(char *fname);
+extern FILE *os_resetfile(char *fname);
 extern char *md5contextTo64(MD5_CTX *context);
 
 /* The possible content transfer encodings */
@@ -545,8 +548,8 @@ getDispositionFilename(char *disposition)
 	SkipWhitespace(&disposition);
 	if (!disposition) return 0;
 
-	/* If we're looking at a ";", we found what we're looking for */
-	if (*disposition++ == ';') break;
+	/* If we're looking at an "=", we found what we're looking for */
+	if (*disposition++ == '=') break;
     }
 
     SkipWhitespace(&disposition);
@@ -632,7 +635,7 @@ int handlePartial(struct part *inpart, char *headers, 
 	}
 	/* Store number of parts in reassembly directory */
 	sprintf(buf, "%sCT", dir);
-	partfile = os_createnewfile(buf);
+	partfile = os_resetfile(buf);
 	if (!partfile) {
 	    os_perror(buf);
 	    goto ignore;