1 files changed, 1 insertions, 1 deletions
diff --git a/src/c.bqn b/src/c.bqn
index 4f3d50a9..ea5cafdc 100644
--- a/src/c.bqn
+++ b/src/c.bqn
@@ -62,7 +62,7 @@ Tokenize←{
   num←is ReadNums○(((0∾us)<∨⟜«0∾n)/0⊸∾) t×l # Numbers
   ir←(us/˜«⊸<i)(⊢+∧⟜(2⊸=))wi/wk             # Identifier role
   ws←1=wi/wt⋄ig←1-˜(i>us)×+`w>n             # Identifier groups
-  {⟨𝕩/𝕨,"Numbers can't start with underscores"⟩!0}⍟(∨´⊢)⟜(ws<(⊑bA)>⊏⟜t)/(¯1»⌈`)⊸<ig
+  {⟨is⊏˜𝕩/𝕨,"Numbers can't start with underscores"⟩!0}⍟(∨´⊢)⟜(ws<(⊑bA)>⊏⟜t)/(¯1»⌈`)⊸<ig
   id←ws(¬⊸/≍○</)ig⊔t                        # ⟨Identifiers, system values⟩
 
   # Deduplicate literals and identifiers; other cleanup