diff --git a/packages/ketcher-react/src/templates/fg.sdf b/packages/ketcher-react/src/templates/fg.sdf
index 3a9d0321a2..6e60e6b1d9 100644
--- a/packages/ketcher-react/src/templates/fg.sdf
+++ b/packages/ketcher-react/src/templates/fg.sdf
@@ -76,7 +76,7 @@ G    1  0
 M  STY  1   1 SUP
 M  SLB  1   1   1
 M  SAL   1  7   1   2   3   4   5   6   7
-M  SMT   1 Bn
+M  SMT   1 Boc
 M  END
 
 >  <group>
@@ -1835,4 +1835,4 @@ Functional Groups
 >  <atomid>
 0
 
-$$$$
\ No newline at end of file
+$$$$