diff --git a/libremail/inc/libremail/common.h b/libremail/inc/libremail/common.h
index 8c7b873..444d991 100644
--- a/libremail/inc/libremail/common.h
+++ b/libremail/inc/libremail/common.h
@@ -9,4 +9,10 @@
 /* Length of SHA256 hash in bytes */
 #define SHA256_N_BYTES 32
 
+/* Mailbox directory prefix */
+#define MAILBOX_PREFIX "/var/mail"
+
+/* Mailbox creation mode */
+#define DEFAULT_MAILBOX_MODE 0600
+
 #endif  /* !LIBREMAIL_COMMON_H */
diff --git a/tools/mailutil/core/mailutil.c b/tools/mailutil/core/mailutil.c
index 0c12269..435e646 100644
--- a/tools/mailutil/core/mailutil.c
+++ b/tools/mailutil/core/mailutil.c
@@ -8,6 +8,7 @@
 #include <string.h>
 #include <unistd.h>
 #include "libremail/file.h"
+#include "libremail/common.h"
 
 /* Maximum command components */
 #define CMD_MAX_CNP 6
@@ -15,8 +16,6 @@
 /* Mailutil version */
 #define MAILUTIL_VERSION "0.0.1"
 
-#define DEFAULT_MAILBOX_MODE 0600
-
 /*
  * Macro used to assert that the command list count is not
  * zero to avoid code duplication.
@@ -65,7 +64,8 @@ cmd_mailbox_create(const char *cmdlist[CMD_MAX_CNP], size_t count)
 
     ASSERT_COUNT_N(count, 3);
 
-    snprintf(pathbuf, sizeof(pathbuf), "/var/mail/%s", cmdlist[2]);
+    snprintf(pathbuf, sizeof(pathbuf), "%s/%s",
+        MAILBOX_PREFIX, cmdlist[2]);
 
     /* Create the mailbox */
     if (try_mkdir(pathbuf, DEFAULT_MAILBOX_MODE) < 0) {
@@ -74,9 +74,7 @@ cmd_mailbox_create(const char *cmdlist[CMD_MAX_CNP], size_t count)
         return -1;
     }
 
-    printf("created mailbox '%s' @ %s\n",
-        cmdlist[2], pathbuf);
-
+    printf("created mailbox '%s' @ %s\n", cmdlist[2], pathbuf);
     return 0;
 }