diff --git a/hw/arm/imx25_pdk.c b/hw/arm/imx25_pdk.c
index 11426e5ec0c3..bd16acd4d9fb 100644
--- a/hw/arm/imx25_pdk.c
+++ b/hw/arm/imx25_pdk.c
@@ -65,7 +65,6 @@ static struct arm_boot_info imx25_pdk_binfo;
 
 static void imx25_pdk_init(MachineState *machine)
 {
-    MachineClass *mc = MACHINE_GET_CLASS(machine);
     IMX25PDK *s = g_new0(IMX25PDK, 1);
     unsigned int ram_size;
     unsigned int alias_offset;
@@ -77,8 +76,8 @@ static void imx25_pdk_init(MachineState *machine)
 
     /* We need to initialize our memory */
     if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) {
-        char *sz = size_to_str(mc->default_ram_size);
-        error_report("Invalid RAM size, should be %s", sz);
+        char *sz = size_to_str(FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE);
+        error_report("RAM size more than %s is not supported", sz);
         g_free(sz);
         exit(EXIT_FAILURE);
     }