diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index bd06c6e..ed3aac0 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -103,6 +103,18 @@
   END
   v9.CheckSourceFailure(lines, "E488: Trailing characters: | var y = 10", 3)
 
+  # Comments are allowed after an inline block
+  lines =<< trim END
+    vim9script
+    class Foo
+      static const bar = { # {{{
+        baz: 'qux'
+      } # }}}
+    endclass
+    assert_equal({baz: 'qux'}, Foo.bar)
+  END
+  v9.CheckSourceSuccess(lines)
+
   # Try to define a class with the same name as an existing variable
   lines =<< trim END
     vim9script
diff --git a/src/version.c b/src/version.c
index 71e56a2..be2be70 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    378,
+/**/
     377,
 /**/
     376,
diff --git a/src/vim9class.c b/src/vim9class.c
index 4314b52..21945fe 100644
--- a/src/vim9class.c
+++ b/src/vim9class.c
@@ -137,7 +137,7 @@
 	(void)skip_expr_concatenate(&init_arg, &expr_start, &expr_end, &evalarg);
 
 	init_arg = skipwhite(init_arg);
-	if (*init_arg != NUL)
+	if (*init_arg != NUL && !vim9_comment_start(init_arg))
 	{
 	    semsg(_(e_trailing_characters_str), init_arg);
 	    return FAIL;