diff --git a/libqpdf/build.mk b/libqpdf/build.mk
index ecdcc389..1d3747ff 100644
--- a/libqpdf/build.mk
+++ b/libqpdf/build.mk
@@ -72,4 +72,4 @@ $(OBJS_libqpdf): libqpdf/$(OUTPUT_DIR)/%.$(LOBJ): libqpdf/%.cc
 # * Otherwise, increment REVISION
 
 $(TARGETS_libqpdf): $(OBJS_libqpdf)
-	$(call makelib,$(OBJS_libqpdf),$@,$(LDFLAGS),$(LIBS),3,0,0)
+	$(call makelib,$(OBJS_libqpdf),$@,$(LDFLAGS),$(LIBS),3,0,1)