diff --git a/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt b/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt
index cc5eb88ff49..1435bef2110 100644
--- a/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt
+++ b/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt
@@ -784,9 +784,21 @@ class HtmlFirDump internal constructor(private var linkResolver: FirLinkResolver
                 +value.toString()
                 keyword("L")
             }
+            FirConstKind.UnsignedByte -> {
+                +(value as Long).toUByte().toString()
+                keyword("uB")
+            }
+            FirConstKind.UnsignedShort -> {
+                +(value as Long).toUShort().toString()
+                keyword("uS")
+            }
+            FirConstKind.UnsignedInt -> {
+                +(value as Long).toUInt().toString()
+                keyword("uI")
+            }
             FirConstKind.UnsignedLong -> {
-                +value.toString()
-                keyword("UL")
+                +(value as Long).toULong().toString()
+                keyword("uL")
             }
             FirConstKind.Float -> {
                 +value.toString()
@@ -796,6 +808,16 @@ class HtmlFirDump internal constructor(private var linkResolver: FirLinkResolver
                 +value.toString()
                 keyword("D")
             }
+            FirConstKind.IntegerLiteral -> {
+                +"IL<"
+                +value.toString()
+                +">"
+            }
+            FirConstKind.UnsignedIntegerLiteral -> {
+                +"UIL<"
+                +value.toString()
+                +">"
+            }
         }
 
     }