diff --git a/src/posix.mak b/src/posix.mak
index 7fc334f2648f..85286070729c 100644
--- a/src/posix.mak
+++ b/src/posix.mak
@@ -585,7 +585,7 @@ $(DOC_OUTPUT_DIR)/$(call D2HTML,$p) : $p $(STDDOC) $(HOST_DMD_PATH) ;\
 $(DOC_OUTPUT_DIR) :
 	mkdir -p $@
 
-html: $(HTMLS) project.ddoc | $(DOC_OUTPUT_DIR)
+html: $(HTMLS) project.ddoc $D/id.d | $(DOC_OUTPUT_DIR)
 endif
 
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