diff --git a/Makefile b/Makefile
index fa4bbbd..a1d7d8d 100644
--- a/Makefile
+++ b/Makefile
@@ -1078,12 +1078,14 @@
 PROGRAMMER_OBJS += physmap.o hwaccess.o
 
 ifeq ($(TARGET_OS), NetBSD)
-# For (i386|x86_64)_iopl(2).
+ifeq ($(ARCH), x86)
 PCILIBS += -l$(shell uname -p)
+endif
 else
 ifeq ($(TARGET_OS), OpenBSD)
-# For (i386|amd64)_iopl(2).
+ifeq ($(ARCH), x86)
 PCILIBS += -l$(shell uname -m)
+endif
 else
 ifeq ($(TARGET_OS), Darwin)
 # DirectHW framework can be found in the DirectHW library.