diff --git a/languages.ncl b/languages.ncl
index 7295c3a..850474c 100644
--- a/languages.ncl
+++ b/languages.ncl
@@ -4,7 +4,7 @@
       extensions = ["nu"],
       grammar.source.git = {
         git = "https://github.com/nushell/tree-sitter-nu.git",
-        rev = "74ff80b2cff6d68286747a3de45531965ad2cf38",
+        rev = "18b7f951e0c511f854685dfcc9f6a34981101dd6",
       },
     },
   },
diff --git a/languages/nu.scm b/languages/nu.scm
index 42d1c8f..813e84c 100644
--- a/languages/nu.scm
+++ b/languages/nu.scm
@@ -140,9 +140,7 @@
 )
 
 (parameter
-  param_long_flag: _? @prepend_space
-  .
-  flag_capsule: _? @prepend_space
+  flag_capsule: _ @prepend_space
 )
 
 (parameter
diff --git a/test/expected_decl.nu b/test/expected_decl.nu
index 4394cbe..906101a 100644
--- a/test/expected_decl.nu
+++ b/test/expected_decl.nu
@@ -66,3 +66,6 @@ module greetings {
     $"hi ($where)!"
   }
 };
+
+# https://github.com/blindFS/topiary-nushell/issues/35
+def f [--arg1: number --arg2: string] { }
diff --git a/test/input_decl.nu b/test/input_decl.nu
index c0fabf8..10f4795 100644
--- a/test/input_decl.nu
+++ b/test/input_decl.nu
@@ -58,3 +58,6 @@ module greetings {
         $"hi ($where)!"
     }
 };
+
+# https://github.com/blindFS/topiary-nushell/issues/35
+def f [--arg1: number, --arg2: string] {}