--- nss/lib/freebl/Makefile
+++ nss/lib/freebl/Makefile
@@ -195,6 +195,7 @@
 ifeq ($(CPU_ARCH),x86)
     ASFILES  = mpi_x86.s
     DEFINES += -DMP_ASSEMBLY_MULTIPLY -DMP_ASSEMBLY_SQUARE 
+    DEFINES += -DMP_USE_UINT_DIGIT
     DEFINES += -DMP_ASSEMBLY_DIV_2DX1D
     DEFINES += -DMP_CHAR_STORE_SLOW -DMP_IS_LITTLE_ENDIAN
     # The floating point ECC code doesn't work on Linux x86 (bug 311432).