diff --git a/urjtag/ChangeLog b/urjtag/ChangeLog
index 1a3806ff..0c886436 100644
--- a/urjtag/ChangeLog
+++ b/urjtag/ChangeLog
@@ -3,6 +3,10 @@
   * configure.ac: Force recent versions of autotools (at least ones released
     in the past 5 years.
 
+  * src/bsdl/Makefile.am (OBJEXT): Do not override OBJEXT that automake sets
+    up itself.
+  * src/svf/Makefile.am (OBJEXT): Likewise.
+
 2011-03-08  Mike Frysinger  <vapier@gentoo.org>
 
   * data/xilinx/PARTS: Add xc3s1600e part.
diff --git a/urjtag/src/bsdl/Makefile.am b/urjtag/src/bsdl/Makefile.am
index bf8b59aa..ba5d7fd3 100644
--- a/urjtag/src/bsdl/Makefile.am
+++ b/urjtag/src/bsdl/Makefile.am
@@ -21,7 +21,6 @@
 
 include $(top_srcdir)/Makefile.rules
 
-OBJEXT = lo
 noinst_LTLIBRARIES = \
 	libbsdl.la \
 	libbsdl_flex.la
diff --git a/urjtag/src/svf/Makefile.am b/urjtag/src/svf/Makefile.am
index ce6df25b..836183d7 100644
--- a/urjtag/src/svf/Makefile.am
+++ b/urjtag/src/svf/Makefile.am
@@ -23,7 +23,6 @@ include $(top_srcdir)/Makefile.rules
 
 AM_YFLAGS = -d
 
-OBJEXT = lo
 noinst_LTLIBRARIES = \
 	libsvf.la \
 	libsvf_flex.la