diff --git a/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src b/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src
index 60fd1369bab362a593fddbc76eb19fec0a1145db..2d4d1d5308888829231d36b606ff640599579458 100644
--- a/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src
+++ b/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src
@@ -50,7 +50,7 @@
             CSPLIT="BSPLITTING"
             !NHALO=3 JPHEXT=3  
             /
-&NAM_DYN  XSEGLEN = 7200, XASSELIN = 0.2, LCORIO = T, LNUMDIFU = T,
+&NAM_DYN  XSEGLEN = 7200, XASSELIN = 0.2, LCORIO = T, LNUMDIFU = F,
           XALKTOP = 0.005, XALZBOT = 14000. /
 &NAM_NESTING   /
 &NAM_FMOUT XFMOUT(1,1)=3600., XFMOUT(1,2)=7200. /
diff --git a/MY_RUN/KTEST/011_KW78CHEM/002_mesonh/EXSEG1.nam b/MY_RUN/KTEST/011_KW78CHEM/002_mesonh/EXSEG1.nam
index ae748b4f8898f5dbd7da3066fbfe1943478edc4e..88ed5401b070427e23be23040361504be91b0bfe 100644
--- a/MY_RUN/KTEST/011_KW78CHEM/002_mesonh/EXSEG1.nam
+++ b/MY_RUN/KTEST/011_KW78CHEM/002_mesonh/EXSEG1.nam
@@ -42,7 +42,7 @@
            /
 &NAM_DYN  XSEGLEN = 1800.,
           XASSELIN = 0.2, LCORIO = F,
-          LNUMDIFU = T /
+          LNUMDIFU = F/
 &NAM_FMOUT XFMOUT(1,1) = 450., XFMOUT(1,2) = 900.,
            XFMOUT(1,3) = 1350., XFMOUT(1,4) = 1800. /