diff --git a/getarch.c b/getarch.c
index 0bd5bc601..e739d2de9 100644
--- a/getarch.c
+++ b/getarch.c
@@ -817,7 +817,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define ARCHITECTURE    "MIPS"
 #define SUBARCHITECTURE "MIPS1004K"
 #define SUBDIRNAME      "mips"
-#define ARCHCONFIG   "-D1004K " \
+#define ARCHCONFIG   "-DMIPS1004K " \
        "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=32 " \
        "-DL2_SIZE=262144 -DL2_LINESIZE=32 " \
        "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=8 "
@@ -831,7 +831,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define ARCHITECTURE    "MIPS"
 #define SUBARCHITECTURE "MIPS24K"
 #define SUBDIRNAME      "mips"
-#define ARCHCONFIG   "-D24K " \
+#define ARCHCONFIG   "-DMIPS24K " \
        "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=32 " \
        "-DL2_SIZE=32768 -DL2_LINESIZE=32 " \
        "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=8 "