diff --git a/src/interfaces/ecpg/preproc/ecpg.addons b/src/interfaces/ecpg/preproc/ecpg.addons
index 71f7ad26ad..b732f1a355 100644
--- a/src/interfaces/ecpg/preproc/ecpg.addons
+++ b/src/interfaces/ecpg/preproc/ecpg.addons
@@ -240,7 +240,7 @@ ECPG: block where_or_current_clause WHERE CURRENT_P OF cursor_name
 		@$ = cat_str(2, "where current of", cursor_marker);
 	}
 ECPG: addon CopyStmt COPY opt_binary qualified_name opt_column_list copy_from opt_program copy_file_name copy_delimiter opt_with copy_options where_clause
-		if (strcmp(@6, "from") == 0 &&
+		if (strcmp(@5, "from") == 0 &&
 			(strcmp(@7, "stdin") == 0 || strcmp(@7, "stdout") == 0))
 			mmerror(PARSE_ERROR, ET_WARNING, "COPY FROM STDIN is not implemented");
 ECPG: addon var_value NumericOnly