diff --git a/MAPS/HMS/DETEC/hcer.map b/MAPS/HMS/DETEC/hcer.map
index 7a72b4c85c72bb724b2d044602dd3b282c3152ca..4086cb574422da00949f59c01ba76e7c78fc92f7 100644
--- a/MAPS/HMS/DETEC/hcer.map
+++ b/MAPS/HMS/DETEC/hcer.map
@@ -5,7 +5,7 @@ ROC=11
 detector=14
 
 !F250 modules
-SLOT=17
+SLOT=7
 !  chan    plane   tube     sig
     14,      1,      1,      0!    hCER01
     15,      1,      2,      0!    hCER02
diff --git a/MAPS/HMS/DETEC/hcer_htrig.map b/MAPS/HMS/DETEC/hcer_htrig.map
index f243f6d909f16c0b4b2490734035cdb9c9ab5728..c37bbc28980e73c15c76670b013c7132070a5d93 100644
--- a/MAPS/HMS/DETEC/hcer_htrig.map
+++ b/MAPS/HMS/DETEC/hcer_htrig.map
@@ -56,6 +56,6 @@ DETECTOR=14
 
 ROC=11
 
-SLOT=17
+SLOT=7
   14,   1,   1,   0  ! hCER01
   15,   1,   2,   0  ! hCER02