diff --git a/passes/abc/abc.cc b/passes/abc/abc.cc
index 9ee8aa1b..78d8fc43 100644
--- a/passes/abc/abc.cc
+++ b/passes/abc/abc.cc
@@ -29,8 +29,8 @@
 // Kahn, Arthur B. (1962), "Topological sorting of large networks", Communications of the ACM 5 (11): 558–562, doi:10.1145/368996.369025
 // http://en.wikipedia.org/wiki/Topological_sorting
 
-#define ABC_COMMAND_LIB "strash; scorr; ifraig; retime {D}; strash; dchf; map {D}"
-#define ABC_COMMAND_CTR "strash; scorr; ifraig; retime {D}; strash; dchf; map {D}; buffer; upsize {D}; dnsize {D}; stime -p"
+#define ABC_COMMAND_LIB "strash; scorr; ifraig; retime {D}; strash; dch -f; map {D}"
+#define ABC_COMMAND_CTR "strash; scorr; ifraig; retime {D}; strash; dch -f; map {D}; buffer; upsize {D}; dnsize {D}; stime -p"
 #define ABC_COMMAND_LUT "strash; scorr; ifraig; retime; strash; dch -f; if"
 #define ABC_COMMAND_DFL "strash; scorr; ifraig; retime; strash; dch -f; map"