diff --git a/configure.in b/configure.in
index 3c056d966..19500837e 100644
--- a/configure.in
+++ b/configure.in
@@ -505,7 +505,7 @@ CheckNASM()
                   NASMFLAGS="-f aoutb"
                   ;;
               *)
-                  NASMFLAGS="-f elf"
+                  NASMFLAGS="-f elf -D __NOU__"
                   ;;
             esac
             AC_SUBST(NASMFLAGS)
diff --git a/src/cpuinfo/Makefile.am b/src/cpuinfo/Makefile.am
index c89d1de87..72d625577 100644
--- a/src/cpuinfo/Makefile.am
+++ b/src/cpuinfo/Makefile.am
@@ -7,7 +7,7 @@ STRIP_FPIC = sh $(top_srcdir)/strip_fPIC.sh
 SUFFIXES = .asm
 
 .asm.lo:
-	$(LIBTOOL) --tag=CC --mode=compile $(STRIP_FPIC) $(NASM) -t -D __FLAT__ -D __NOU__ @NASMFLAGS@ $< -o $*.o
+	$(LIBTOOL) --tag=CC --mode=compile $(STRIP_FPIC) $(NASM) -t -D __FLAT__ @NASMFLAGS@ $< -o $*.o
 
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