diff --git a/package-lock.json b/package-lock.json
index 339ecbb..4b4bcce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "vba-lsp",
-	"version": "1.5.8",
+	"version": "1.5.9",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "vba-lsp",
-			"version": "1.5.8",
+			"version": "1.5.9",
 			"hasInstallScript": true,
 			"license": "MIT",
 			"dependencies": {
diff --git a/package.json b/package.json
index 0a44e5b..c51b72d 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
 	"icon": "images/vba-lsp-icon.png",
 	"author": "SSlinky",
 	"license": "MIT",
-	"version": "1.5.8",
+	"version": "1.5.9",
 	"repository": {
 		"type": "git",
 		"url": "https://github.com/SSlinky/VBA-LanguageServer"
diff --git a/server/src/antlr/vba.g4 b/server/src/antlr/vba.g4
index d015d38..f8a8f56 100644
--- a/server/src/antlr/vba.g4
+++ b/server/src/antlr/vba.g4
@@ -427,7 +427,7 @@ constantName
 //     ;
 
 constDeclaration
-    : variableModifier? CONST wsc constItemList
+    : (variableModifier wsc)? CONST wsc constItemList
     ;
 
 constItemList
diff --git a/test/fixtures/ScopeDiagnostics.bas b/test/fixtures/ScopeDiagnostics.bas
new file mode 100644
index 0000000..e192387
--- /dev/null
+++ b/test/fixtures/ScopeDiagnostics.bas
@@ -0,0 +1,16 @@
+Attribute VB_Name = "ScopeDiagnostics"
+
+Option Explicit
+
+Private Const ABC As Long = 0
+
+Public Enum XfaskofeaFoo
+    Enum1 = 2 ^ 1
+    Bar = 2 ^ 2
+    Bar = 2 ^ 3
+End Enum
+
+Public Sub XfaskofeaFoo(Optional test_param As Variant = -0.1)
+Attribute XfaskofeaFoo.VB_Description = "docstring."
+    Call SomeSub(param, -0.15)
+End Sub
\ No newline at end of file