diff --git a/binutils.spec b/binutils.spec
index 01da509..f90ce58 100644
--- a/binutils.spec
+++ b/binutils.spec
@@ -68,6 +68,7 @@ addresses to file and line).
 # libtool sucks
 perl -pi -e 'm/LIBADD/ && s/(\.\.\/bfd\/libbfd.la)/-L\.\.\/bfd\/\.libs \1/' opcodes/Makefile.{am,in}
 sed -ie 's/\$(CC_FOR_BUILD)/& $(CFLAGS)/' opcodes/Makefile.{am,in}
+sed -ie 's,\./s390-mkopc /LD_PRELOAD=libSegFault.so SEGFAULT_SIGNALS=all &/' opcodes/Makefile.{am,in}
 # LTP sucks
 perl -pi -e 's/i\[3-7\]86/i[34567]86/g' */conf*
 touch */configure