diff --git a/src/gallium/auxiliary/Makefile.am b/src/gallium/auxiliary/Makefile.am
index def00980308..dc4bd4a40cf 100644
--- a/src/gallium/auxiliary/Makefile.am
+++ b/src/gallium/auxiliary/Makefile.am
@@ -8,6 +8,7 @@ AM_CFLAGS = \
 	-I$(top_builddir)/src/compiler/nir \
 	-I$(top_srcdir)/src/gallium/auxiliary/util \
 	$(GALLIUM_CFLAGS) \
+	$(LIBUNWIND_CFLAGS) \
 	$(VISIBILITY_CFLAGS) \
 	$(MSVC2013_COMPAT_CFLAGS)