diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index c478ec852013eae65b9f3ec0a443e023c7d8b452..d3ff210ee04414f4e238c087400dd21e1cb0fc18 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -976,7 +976,7 @@ READ_MD_H = $(OBSTACK_H) $(HASHTAB_H) read-md.h
 BUILTINS_DEF = builtins.def sync-builtins.def omp-builtins.def \
 	gtm-builtins.def sanitizer.def
 INTERNAL_FN_DEF = internal-fn.def
-INTERNAL_FN_H = internal-fn.h $(INTERNAL_FN_DEF)
+INTERNAL_FN_H = internal-fn.h $(INTERNAL_FN_DEF) $(OPTABS_H)
 TREE_CORE_H = tree-core.h $(CORETYPES_H) all-tree.def tree.def \
 	c-family/c-common.def $(lang_tree_files) \
 	$(BUILTINS_DEF) $(INPUT_H) statistics.h \