diff --git a/ftd/src/p1/parser.rs b/ftd/src/p1/parser.rs
index 2f3e0ecd6f..e495a009a4 100644
--- a/ftd/src/p1/parser.rs
+++ b/ftd/src/p1/parser.rs
@@ -846,6 +846,21 @@ fn colon_separated_values(
 }
 
 fn get_name_and_kind(name_with_kind: &str) -> (String, Option<String>) {
+    let mut name_with_kind = name_with_kind.to_owned();
+
+    // Fix spacing for functional parameters inside parenthesis (if user provides)
+    if let (Some(si), Some(ei)) = (name_with_kind.find('('), name_with_kind.find(')')) {
+        if si < ei {
+            // All Content before start ( bracket
+            let before_brackets = &name_with_kind[..si];
+            // All content after start ( bracket and all inner content excluding ) bracket
+            let mut bracket_content_and_beyond = name_with_kind[si..ei].replace(' ', "");
+            // Push any remaining characters including ) and after end bracket
+            bracket_content_and_beyond.push_str(&name_with_kind[ei..]);
+            name_with_kind = format!("{}{}", before_brackets, bracket_content_and_beyond);
+        }
+    }
+
     if let Some((kind, name)) = name_with_kind.rsplit_once(' ') {
         return (name.to_string(), Some(kind.to_string()));
     }
diff --git a/ftd/t/ast/14-function.ftd b/ftd/t/ast/14-function.ftd
index f1974bfaf9..f7cba19bb4 100644
--- a/ftd/t/ast/14-function.ftd
+++ b/ftd/t/ast/14-function.ftd
@@ -2,4 +2,10 @@
 integer a:
 integer b:
 
-a + b
\ No newline at end of file
+a + b
+
+-- string join(a, b) :
+string a:
+string b:
+
+a + " " + b
diff --git a/ftd/t/ast/14-function.json b/ftd/t/ast/14-function.json
index afac83f2db..236fa9cada 100644
--- a/ftd/t/ast/14-function.json
+++ b/ftd/t/ast/14-function.json
@@ -32,10 +32,49 @@
       ],
       "line_number": 1,
       "definition": {
-        "line_number": 5,
+        "line_number": 6,
         "value": "a + b"
       },
       "js": null
     }
+  },
+  {
+    "FunctionDefinition": {
+      "name": "join",
+      "kind": {
+        "modifier": null,
+        "kind": "string"
+      },
+      "arguments": [
+        {
+          "name": "a",
+          "kind": {
+            "modifier": null,
+            "kind": "string"
+          },
+          "mutable": false,
+          "value": null,
+          "line_number": 8,
+          "access_modifier": "Public"
+        },
+        {
+          "name": "b",
+          "kind": {
+            "modifier": null,
+            "kind": "string"
+          },
+          "mutable": false,
+          "value": null,
+          "line_number": 9,
+          "access_modifier": "Public"
+        }
+      ],
+      "line_number": 7,
+      "definition": {
+        "line_number": 11,
+        "value": "a + \" \" + b"
+      },
+      "js": null
+    }
   }
 ]
\ No newline at end of file