diff --git a/config-generic b/config-generic
index 6bc37e0..8ab345b 100644
--- a/config-generic
+++ b/config-generic
@@ -2483,7 +2483,7 @@ CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_CS=m
 CONFIG_SERIAL_8250_NR_UARTS=32
-CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=32
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
diff --git a/kernel.spec b/kernel.spec
index f90b6ad..87c536a 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -2078,6 +2078,9 @@ fi
 #
 # 
 %changelog
+* Wed Oct 07 2015 Josh Boyer <jwboyer@fedoraproject.org>
+- Increase the default number of runtime UARTS (rhbz 1264383)
+
 * Wed Oct 07 2015 Justin M. Forbes <jforbes@fedoraproject.org>
 - Enable CONFIG_ACPI_REV_OVERRIDE_POSSIBLE for Dell XPS sound (rhbz 1255070)
 - Enable CONFIG_X86_NUMACHIP