diff --git a/c/src/lib/libbsp/arm/lpc24xx/configure.ac b/c/src/lib/libbsp/arm/lpc24xx/configure.ac
index 29a1fedfbd..0076b45afd 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/configure.ac
+++ b/c/src/lib/libbsp/arm/lpc24xx/configure.ac
@@ -49,7 +49,7 @@ RTEMS_BSPOPTS_HELP([LPC24XX_EMCCLKDIV],[clock divider for EMCCLK (EMCCLK = CCLK
 RTEMS_BSPOPTS_SET([LPC24XX_UART_BAUD],[*],[115200U])
 RTEMS_BSPOPTS_HELP([LPC24XX_UART_BAUD],[baud for UARTs])
 
-RTEMS_BSPOPTS_SET([LPC24XX_ETHERNET_RMII],[lpc24xx_ea],[1])
+RTEMS_BSPOPTS_SET([LPC24XX_ETHERNET_RMII],[*_ea_*],[1])
 RTEMS_BSPOPTS_SET([LPC24XX_ETHERNET_RMII],[*],[])
 RTEMS_BSPOPTS_HELP([LPC24XX_ETHERNET_RMII],[enable RMII for Ethernet])