diff --git a/src/Makefile.dep b/src/Makefile.dep
index 328b1be..f820e12 100644
--- a/src/Makefile.dep
+++ b/src/Makefile.dep
@@ -19,6 +19,7 @@ patternparser.o: ../../pikotools/src/utf8/utf8_templates.h
 patternparser.o: ../../pikotools/src/utf8/utf8_private.h funinfo.h objects.h
 patternparser.o: pattern.h ../../pikotools/src/log/log.h
 patternparser.o: ../../pikotools/src/textstream/textstream.h
+patternparser.o: ../../pikotools/src/textstream/stream.h
 patternparser.o: ../../pikotools/src/space/space.h
 patternparser.o: ../../pikotools/src/textstream/types.h
 patternparser.o: ../../pikotools/src/convert/inttostr.h