diff --git a/sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/NumericLiteralNeedsUnderscoreCheck.java b/sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/NumericLiteralNeedsUnderscoreCheck.java
index 5b69c2b27..c23fd606b 100644
--- a/sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/NumericLiteralNeedsUnderscoreCheck.java
+++ b/sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/NumericLiteralNeedsUnderscoreCheck.java
@@ -237,19 +237,21 @@ private boolean passesCheck(String rawLiteral)
      */
     private Type getNumericType(String rawLiteral)
     {
-        if (rawLiteral.length() < 2) {
-            return Type.DECIMAL;
-        }
         Type type;
-        String prefix = rawLiteral.substring(0, 2);
-        if (prefix.equals("0x")) {
-            type = Type.HEX;
-        }
-        else if (prefix.equals("0b")) {
-            type = Type.BINARY;
+        if (rawLiteral.length() < 2) {
+            type = Type.DECIMAL;
         }
         else {
-            type = Type.DECIMAL;
+            String prefix = rawLiteral.substring(0, 2);
+            if (prefix.equals("0x")) {
+                type = Type.HEX;
+            }
+            else if (prefix.equals("0b")) {
+                type = Type.BINARY;
+            }
+            else {
+                type = Type.DECIMAL;
+            }
         }
         return type;
     }