diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,8 @@
 # Changelog for pg-schema
 
+## 0.7.0.1
+- Bug fixing (upsertJSON_ without change fields: on conflict do nothing)
+
 ## 0.7.0.0
 
 - Bug fixing (updateText_ signature)
diff --git a/pg-schema.cabal b/pg-schema.cabal
--- a/pg-schema.cabal
+++ b/pg-schema.cabal
@@ -1,6 +1,6 @@
 cabal-version:  3.12
 name:           pg-schema
-version:        0.7.0.0
+version:        0.7.0.1
 category:       Database
 author:         Dmitry Olshansky
 maintainer:     olshanskydr@gmail.com
diff --git a/src/PgSchema/DML/InsertJSON.hs b/src/PgSchema/DML/InsertJSON.hs
--- a/src/PgSchema/DML/InsertJSON.hs
+++ b/src/PgSchema/DML/InsertJSON.hs
@@ -206,7 +206,6 @@
           , "    " <> sWhere]
         ups0 pk
           | L.null plainsOthers = case mbSetVars of
-            Just [] -> addSemiColon ins0
             Just xs -> ins0 <> [ "    on conflict do nothing;"]
               <> ["  " <> intercalate' " " xs]
             Nothing -> ins0 <> addSemiColon ([ "    on conflict do nothing"] <> rets)