diff --git a/packages/win32_inno/Makefile b/packages/win32_inno/Makefile
index aca72ba29f1763565a8b0fa8d00065d5eafffbc8..b3bbd71bc7b4d463e4853afc9e42ebdf40efc67b 100755
--- a/packages/win32_inno/Makefile
+++ b/packages/win32_inno/Makefile
@@ -99,6 +99,7 @@ lib_install:
 	#install -p $(bin_src)/libgnurx-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libogg-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libsndfile-1.dll  $(DESTDIR)$(bindir)/
+	install -p $(bin_src)/libopus-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libvorbis-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libvorbisenc-2.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libvorbisfile-3.dll  $(DESTDIR)$(bindir)/
diff --git a/packages/win64_inno/Makefile b/packages/win64_inno/Makefile
index 63eeffabd0b79b3d9c3ad3dfd58981cf04fcf4a0..35335d8d744c717d107f10c63213bdba6e430dea 100644
--- a/packages/win64_inno/Makefile
+++ b/packages/win64_inno/Makefile
@@ -99,6 +99,7 @@ lib_install:
 	#install -p $(bin_src)/libgnurx-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libogg-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libsndfile-1.dll  $(DESTDIR)$(bindir)/
+	install -p $(bin_src)/libopus-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libvorbis-0.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libvorbisenc-2.dll  $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libvorbisfile-3.dll  $(DESTDIR)$(bindir)/