diff --git a/security/nss/lib/freebl/Makefile b/security/nss/lib/freebl/Makefile
index a29fccbb381..6610ff918e9 100644
--- a/security/nss/lib/freebl/Makefile
+++ b/security/nss/lib/freebl/Makefile
@@ -96,7 +96,7 @@ endif
 ifeq ($(OS_ARCH),AIX)
 DEFINES += -DMP_USE_UINT_DIGIT
 ifndef USE_64
-DEFINES += -DMP_USE_LONG_LONG_MULTIPLY
+MPICMN += -DMP_NO_DIV_WORD -DMP_NO_ADD_WORD -DMP_NO_SUB_WORD
 endif
 endif