diff --git a/config/version/version.m4 b/config/version/version.m4
index 8846e11d67..f83d9af448 100644
--- a/config/version/version.m4
+++ b/config/version/version.m4
@@ -1,9 +1,9 @@
-AC_INIT(Yambo, 5.0.4 r.19593 h.b030eead9, yambo@yambo-code.org)
+AC_INIT(Yambo, 5.0.4 r.19595 h.896bffc02, yambo@yambo-code.org)
 SVERSION="5"
 SSUBVERSION="0"
 SPATCHLEVEL="4"
-SREVISION="19593"
-SHASH="b030eead9"
+SREVISION="19595"
+SHASH="896bffc02"
 AC_SUBST(SVERSION)
 AC_SUBST(SSUBVERSION)
 AC_SUBST(SPATCHLEVEL)
diff --git a/configure b/configure
index f75118917f..e3acf11611 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for Yambo 5.0.4 r.19593 h.b030eead9.
+# Generated by GNU Autoconf 2.69 for Yambo 5.0.4 r.19595 h.896bffc02.
 #
 # Report bugs to <yambo@yambo-code.org>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='Yambo'
 PACKAGE_TARNAME='yambo'
-PACKAGE_VERSION='5.0.4 r.19593 h.b030eead9'
-PACKAGE_STRING='Yambo 5.0.4 r.19593 h.b030eead9'
+PACKAGE_VERSION='5.0.4 r.19595 h.896bffc02'
+PACKAGE_STRING='Yambo 5.0.4 r.19595 h.896bffc02'
 PACKAGE_BUGREPORT='yambo@yambo-code.org'
 PACKAGE_URL=''
 
@@ -1528,7 +1528,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures Yambo 5.0.4 r.19593 h.b030eead9 to adapt to many kinds of systems.
+\`configure' configures Yambo 5.0.4 r.19595 h.896bffc02 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1594,7 +1594,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of Yambo 5.0.4 r.19593 h.b030eead9:";;
+     short | recursive ) echo "Configuration of Yambo 5.0.4 r.19595 h.896bffc02:";;
    esac
   cat <<\_ACEOF
 
@@ -1798,7 +1798,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-Yambo configure 5.0.4 r.19593 h.b030eead9
+Yambo configure 5.0.4 r.19595 h.896bffc02
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2477,7 +2477,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by Yambo $as_me 5.0.4 r.19593 h.b030eead9, which was
+It was created by Yambo $as_me 5.0.4 r.19595 h.896bffc02, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2828,8 +2828,8 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 SVERSION="5"
 SSUBVERSION="0"
 SPATCHLEVEL="4"
-SREVISION="19593"
-SHASH="b030eead9"
+SREVISION="19595"
+SHASH="896bffc02"
 
 
 
@@ -14905,7 +14905,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by Yambo $as_me 5.0.4 r.19593 h.b030eead9, which was
+This file was extended by Yambo $as_me 5.0.4 r.19595 h.896bffc02, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -14967,7 +14967,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-Yambo config.status 5.0.4 r.19593 h.b030eead9
+Yambo config.status 5.0.4 r.19595 h.896bffc02
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/src/bse/K_Transitions_setup.F b/src/bse/K_Transitions_setup.F
index b312f4d0b6..a07348aff5 100644
--- a/src/bse/K_Transitions_setup.F
+++ b/src/bse/K_Transitions_setup.F
@@ -449,8 +449,8 @@ logical function T_is_ok(Ken,Dip,iq,ik,ikp,iv,ic,i_sp_c,i_res_ares,FORCE_EQ_tran
    f_e = (         Ken%f(iv,ikp,i_sp_v))/spin_occ
    f_h = (spin_occ-Ken%f(ic,ik ,i_sp_c))/spin_occ
  else
-   f_e = (         Ken%f(ic,ikp,i_sp_c))/spin_occ
-   f_h = (spin_occ-Ken%f(iv,ik ,i_sp_v))/spin_occ
+   f_e = (         Ken%f(ic,ik ,i_sp_c))/spin_occ
+   f_h = (spin_occ-Ken%f(iv,ikp,i_sp_v))/spin_occ
  endif
  !
  f_eh_PL = Ken%f(ic,ikp,i_sp_c)*(spin_occ-Ken%f(iv,ik ,i_sp_v))/spin_occ/spin_occ
diff --git a/src/bse/K_blocks.F b/src/bse/K_blocks.F
index 9e79807bdc..daaac9a663 100644
--- a/src/bse/K_blocks.F
+++ b/src/bse/K_blocks.F
@@ -133,6 +133,7 @@ subroutine K_blocks(iq)
    enddo
  enddo
  !
+ n_BS_blks_CPUs=0
  n_BS_blks_CPUs(myid+1)=n_BS_blks
  call PP_redux_wait(n_BS_blks_CPUs)
  n_BS_blks_min=minval(n_BS_blks_CPUs)