diff --git a/include/autotools.mk b/include/autotools.mk
index 4d98a7cd0a..2148f40cfd 100644
--- a/include/autotools.mk
+++ b/include/autotools.mk
@@ -38,7 +38,7 @@ define autoreconf
 				$(AM_TOOL_PATHS) $(STAGING_DIR_HOST)/bin/autoreconf -v -f -i -s \
 					-B $(STAGING_DIR_HOST)/share/aclocal \
 					$(patsubst %,-B %,$(5)) \
-					$(patsubst %,-I %,$(4)) $(4) || true; \
+					$(patsubst %,-I %,$(4)) -I m4 $(4) || true; \
 			fi; \
 		) \
 	);