diff --git a/src/Idris/IDEMode/Parser.idr b/src/Idris/IDEMode/Parser.idr
index ea13a7113..ef10b1eed 100644
--- a/src/Idris/IDEMode/Parser.idr
+++ b/src/Idris/IDEMode/Parser.idr
@@ -37,7 +37,7 @@ ideTokens =
       match (choice $ exact <$> symbols) Symbol
   <|> match digits (IntegerLit . cast)
   <|> compose (is '"')
-              (const $ StringBegin False)
+              (const $ StringBegin Single)
               (const ())
               (const stringTokens)
               (const $ is '"')
diff --git a/src/Parser/Lexer/Source.idr b/src/Parser/Lexer/Source.idr
index 12a93f665..d48991687 100644
--- a/src/Parser/Lexer/Source.idr
+++ b/src/Parser/Lexer/Source.idr
@@ -20,6 +20,9 @@ import Core.Name
 
 %default total
 
+public export
+data IsMultiline = Multi | Single
+
 public export
 data Token
   -- Literals
@@ -27,7 +30,7 @@ data Token
   | DoubleLit Double
   | IntegerLit Integer
   -- String
-  | StringBegin Bool -- Whether is multiline string
+  | StringBegin IsMultiline -- Whether is multiline string
   | StringEnd
   | InterpBegin
   | InterpEnd
@@ -55,8 +58,8 @@ Show Token where
   show (DoubleLit x) = "double " ++ show x
   show (IntegerLit x) = "literal " ++ show x
   -- String
-  show (StringBegin True) = "string begin"
-  show (StringBegin False) = "multiline string begin"
+  show (StringBegin Single) = "string begin"
+  show (StringBegin Multi) = "multiline string begin"
   show StringEnd = "string end"
   show InterpBegin = "string interp begin"
   show InterpEnd = "string interp end"
@@ -84,8 +87,8 @@ Pretty Token where
   pretty (DoubleLit x) = pretty "double" <++> pretty x
   pretty (IntegerLit x) = pretty "literal" <++> pretty x
   -- String
-  pretty (StringBegin True) = reflow "string begin"
-  pretty (StringBegin False) = reflow "multiline string begin"
+  pretty (StringBegin Single) = reflow "string begin"
+  pretty (StringBegin Multi) = reflow "multiline string begin"
   pretty StringEnd = reflow "string end"
   pretty InterpBegin = reflow "string interp begin"
   pretty InterpEnd = reflow "string interp end"
@@ -326,13 +329,13 @@ mutual
       <|> match octUnderscoredLit (IntegerLit . fromOctLit . removeUnderscores)
       <|> match digitsUnderscoredLit (IntegerLit . cast . removeUnderscores)
       <|> compose multilineBegin
-                  (const $ StringBegin True)
+                  (const $ StringBegin Multi)
                   countHashtag
                   (stringTokens True)
                   (exact . multilineEnd)
                   (const StringEnd)
       <|> compose stringBegin
-                  (const $ StringBegin False)
+                  (const $ StringBegin Single)
                   countHashtag
                   (stringTokens False)
                   (\hashtag => exact (stringEnd hashtag) <+> reject (is '"'))
diff --git a/src/Parser/Rule/Source.idr b/src/Parser/Rule/Source.idr
index 83373821d..8578bd362 100644
--- a/src/Parser/Rule/Source.idr
+++ b/src/Parser/Rule/Source.idr
@@ -97,14 +97,14 @@ export
 strBegin : Rule ()
 strBegin = terminal "Expected string begin"
                     \case
-                      StringBegin False => Just ()
+                      StringBegin Single => Just ()
                       _ => Nothing
 
 export
 multilineBegin : Rule ()
 multilineBegin = terminal "Expected multiline string begin"
                           \case
-                            StringBegin True => Just ()
+                            StringBegin Multi => Just ()
                             _ => Nothing
 
 export