diff --git a/.travis.yml b/.travis.yml
index 89bed90a1..08731ca62 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -113,7 +113,7 @@ script:
   - if test -n "$SWIGLANG"; then make -k $SWIGJOBS check-$SWIGLANG-examples CFLAGS="${CFLAGS_EXAMPLES[$SWIGLANG]}" CXXFLAGS="${CXXFLAGS_EXAMPLES[$SWIGLANG]}"; fi
   - if test -n "$SWIGLANG"; then make -k $SWIGJOBS check-$SWIGLANG-test-suite; fi
   - echo 'Cleaning...' && echo -en 'travis_fold:start:script.3\\r'
-  - make maintainer-clean && find . -type f | sed 's/^/File left after maintainer-clean - /' && ../../configure $CONFIGOPTS
+  - make check-maintainer-clean && ../../configure $CONFIGOPTS
   - echo -en 'travis_fold:end:script.3\\r'
 branches:
   only:
diff --git a/Makefile.in b/Makefile.in
index 2b9cf3b32..05c506559 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -455,6 +455,14 @@ maintainer-clean:
 	@echo distcleaning
 	@$(MAKE) $(FLAGS) distclean-helper
 
+check-maintainer-clean: maintainer-clean
+	@if test "x$(srcdir)" != "x."; then \
+		for file in `find . -type f`; do \
+			echo "file missed by maintainer-clean: $$file"; \
+		done; \
+	fi; \
+	test "x$$file" = x && echo "all files cleaned by maintainer-clean"
+
 #####################################################################
 # Update the Lib/swigwarn.swg file
 # Note: Generated into the source tree rather than build tree