diff --git a/cpp/common/src/codingstandards/cpp/Cpp14Literal.qll b/cpp/common/src/codingstandards/cpp/Cpp14Literal.qll
index 8e0c089f4..12f10eaf3 100644
--- a/cpp/common/src/codingstandards/cpp/Cpp14Literal.qll
+++ b/cpp/common/src/codingstandards/cpp/Cpp14Literal.qll
@@ -49,7 +49,7 @@ module Cpp14Literal {
    * Octal literals must always start with the digit `0`.
    */
   class OctalLiteral extends IntegerLiteral, RecognizedNumericLiteral {
-    OctalLiteral() { getValueText().regexpMatch("\\s*0[0-7']*[uUlL]*\\s*") }
+    OctalLiteral() { getValueText().regexpMatch("\\s*0[0-7']+[uUlL]*\\s*") }
 
     override string getAPrimaryQlClass() { result = "OctalLiteral" }
   }