diff --git a/src/backend/dbi/gnc-backend-dbi.c b/src/backend/dbi/gnc-backend-dbi.c
index 08c749c79a..960a17de9a 100644
--- a/src/backend/dbi/gnc-backend-dbi.c
+++ b/src/backend/dbi/gnc-backend-dbi.c
@@ -331,9 +331,11 @@ gnc_dbi_mysql_session_begin( QofBackend* qbe, QofSession *session,
     GncDbiBackend *be = (GncDbiBackend*)qbe;
 	gchar* dsn = NULL;
 	gchar* host;
+	gchar* port = NULL;
 	gchar* dbname;
     gchar* username;
     gchar* password;
+	gint portnum;
 	gint result;
 	gboolean success = FALSE;
 
@@ -343,17 +345,29 @@ gnc_dbi_mysql_session_begin( QofBackend* qbe, QofSession *session,
 
     ENTER (" ");
 
-	/* Split the book-id (format host:dbname:username:password) */
+	/* Split the book-id (format host:dbname:username:password or
+	   host:port:dbname:username:password) */
 	dsn = g_strdup( book_id );
 	for( host = dsn; *host != '/'; host++ ) {}
 	host += 2;
 	for( dbname = host; *dbname != ':'; dbname++ ) {}
 	*dbname++ = '\0';
+	if( *dbname >= '0' && *dbname <= '9' ) {
+	    port = dbname;
+	    for( ; *dbname != ':'; dbname++ ) {}
+		*dbname++ = '\0';
+	}
 	for( username = dbname; *username != ':'; username++ ) {}
 	*username++ = '\0';
 	for( password = username; *password != ':'; password++ ) {}
 	*password++ = '\0';
 
+	if( port != NULL && *port != '\0' ) {
+		portnum = atoi( port );
+	} else {
+		portnum = 0;
+	}
+
 	// Try to connect to the db.  If it doesn't exist and the create_if_nonexistent
 	// flag is TRUE, we'll need to connect to the 'mysql' db and execute the
 	// CREATE DATABASE ddl statement there.
@@ -367,7 +381,7 @@ gnc_dbi_mysql_session_begin( QofBackend* qbe, QofSession *session,
 		goto exit;
 	}
 	dbi_conn_error_handler( be->conn, mysql_error_fn, be );
-	if( !set_standard_connection_options( qbe, be->conn, host, 0, dbname, username, password ) ) {
+	if( !set_standard_connection_options( qbe, be->conn, host, portnum, dbname, username, password ) ) {
 		goto exit;
 	}
 	be->exists = TRUE;
@@ -469,10 +483,12 @@ gnc_dbi_postgres_session_begin( QofBackend *qbe, QofSession *session,
 	gint result;
 	gchar* dsn;
 	gchar* host;
+	gchar* port = NULL;
 	gchar* dbname;
     gchar* username;
     gchar* password;
 	gboolean success;
+	gint portnum;
 
 	g_return_if_fail( qbe != NULL );
 	g_return_if_fail( session != NULL );
@@ -480,17 +496,29 @@ gnc_dbi_postgres_session_begin( QofBackend *qbe, QofSession *session,
 
     ENTER (" ");
 
-	/* Split the book-id (format host:dbname:username:password) */
+	/* Split the book-id (format host:dbname:username:password or
+	   host:port:dbname:username:password) */
 	dsn = g_strdup( book_id );
 	for( host = dsn; *host != '/'; host++ ) {}
 	host += 2;
 	for( dbname = host; *dbname != ':'; dbname++ ) {}
 	*dbname++ = '\0';
+	if( *dbname >= '0' && *dbname <= '9' ) {
+	    port = dbname;
+	    for( ; *dbname != ':'; dbname++ ) {}
+		*dbname++ = '\0';
+	}
 	for( username = dbname; *username != ':'; username++ ) {}
 	*username++ = '\0';
 	for( password = username; *password != ':'; password++ ) {}
 	*password++ = '\0';
 
+	if( port != NULL && *port != '\0' ) {
+		portnum = atoi( port );
+	} else {
+		portnum = PGSQL_DEFAULT_PORT;
+	}
+
 	// Try to connect to the db.  If it doesn't exist and the create_if_nonexistent
 	// flag is TRUE, we'll need to connect to the 'postgres' db and execute the
 	// CREATE DATABASE ddl statement there.
@@ -504,7 +532,7 @@ gnc_dbi_postgres_session_begin( QofBackend *qbe, QofSession *session,
 		goto exit;
 	}
 	dbi_conn_error_handler( be->conn, pgsql_error_fn, be );
-	if( !set_standard_connection_options( qbe, be->conn, host, PGSQL_DEFAULT_PORT, dbname, username, password ) ) {
+	if( !set_standard_connection_options( qbe, be->conn, host, portnum, dbname, username, password ) ) {
 		goto exit;
 	}
 	be->exists = TRUE;
diff --git a/src/gnome-utils/gnc-main-window.c b/src/gnome-utils/gnc-main-window.c
index fd7505831b..4af28f44d4 100644
--- a/src/gnome-utils/gnc-main-window.c
+++ b/src/gnome-utils/gnc-main-window.c
@@ -1269,24 +1269,27 @@ gnc_main_window_generate_title (GncMainWindow *window)
 	  if (c == ':') num_colons++;
 	}
 
-    if (num_colons != 4) {
+    if (num_colons < 4) {
       /* The Gnome HIG 2.0 recommends only the file name (no path) be used. (p15) */
       ptr = g_utf8_strrchr(filename, -1, G_DIR_SEPARATOR);
       if (ptr != NULL)
         filename = g_strdup(g_utf8_next_char(ptr));
 	} else {
 	  const gchar* src = filename;
+	  gboolean has_explicit_port = (num_colons == 5);
 
 	  filename = g_strdup(filename);
 	  ptr = filename;
 	  num_colons = 0;
 
-	  /* Loop and copy chars, converting username and password (after 3rd ':') to
-	  asterisks. */
+	  /* Loop and copy chars, converting username and password (after 3rd ':' (4th if there's
+	     an explicit port number) to asterisks. */
 	  for( ; *src; src = g_utf8_next_char(src)) {
 		gunichar unichar;
 
-	    if (num_colons < 3 || *src == ':') {
+		if (*src == ':' ||
+			(!has_explicit_port && num_colons < 3) ||
+			(has_explicit_port && num_colons < 4)) {
 	      unichar = g_utf8_get_char(src);
 		} else {
 		  unichar = '*';
diff --git a/src/gnome-utils/gnc-plugin-file-history.c b/src/gnome-utils/gnc-plugin-file-history.c
index c52e7771df..2450f73df8 100644
--- a/src/gnome-utils/gnc-plugin-file-history.c
+++ b/src/gnome-utils/gnc-plugin-file-history.c
@@ -294,12 +294,23 @@ gnc_history_generate_label (int index, const gchar *filename)
 	if (g_ascii_strncasecmp(filename, "mysql://", 8) == 0 ||
 		g_ascii_strncasecmp(filename, "postgres://", 11) == 0 ) {
 	  gint num_colons = 0;
+	  gboolean has_explicit_port;
+
+	  /* Count the number of colons to see if there is an explicit port number or not */
+	  for (src = filename; *src; src = g_utf8_next_char(src)) {
+	    gunichar c = g_utf8_get_char(src);
+	    if (c == ':') num_colons++;
+	  }
+	  has_explicit_port = (num_colons == 5);
+	  num_colons = 0;
 
 	  /* Loop for all chars and copy from 'src' to 'dst'.  While doing this,
-	     convert username and password (after 3rd ':') to asterisks. */
+	     convert username and password (after 2nd ':', 3rd if explicit port) to asterisks. */
 	  src = filename;
 	  for( ; *src; src = g_utf8_next_char(src)) {
-	    if (num_colons < 3 || *src == ':') {
+		if (*src == ':' ||
+			(!has_explicit_port && num_colons < 3) ||
+			(has_explicit_port && num_colons < 4)) {
 	      unichar = g_utf8_get_char(src);
 		} else {
 		  unichar = '*';