diff --git a/llvm/lib/MC/MCParser/AsmLexer.cpp b/llvm/lib/MC/MCParser/AsmLexer.cpp
index 6bd89860d5121dfd1fddd40fc59523e2a3717b3f..0fa782b1d9c8707eeee6aaae321270c07fafe51d 100644
--- a/llvm/lib/MC/MCParser/AsmLexer.cpp
+++ b/llvm/lib/MC/MCParser/AsmLexer.cpp
@@ -251,7 +251,7 @@ AsmToken AsmLexer::LexDigit() {
   }
 
   // Must be an octal number, it starts with 0.
-  while (*CurPtr >= '0' && *CurPtr <= '7')
+  while (*CurPtr >= '0' && *CurPtr <= '9')
     ++CurPtr;
 
   StringRef Result(TokStart, CurPtr - TokStart);