diff --git a/src/components/base/Ellipsis.js b/src/components/base/Ellipsis.js
index d2b10585..5990be5b 100644
--- a/src/components/base/Ellipsis.js
+++ b/src/components/base/Ellipsis.js
@@ -7,7 +7,7 @@ import Text from 'components/base/Text'
 const outerStyle = { width: 0 }
 const innerStyle = { overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }
 
-export default ({ children, canSelect, ...p }: { children: any, canSelect: * }) => (
+export default ({ children, canSelect, ...p }: { children: any, canSelect?: boolean }) => (
   <Box grow horizontal>
     <Box grow {...p} style={outerStyle}>
       <Text style={{ ...innerStyle, userSelect: canSelect ? 'text' : 'none' }}>{children}</Text>