diff --git a/lib/system/sysio.nim b/lib/system/sysio.nim
index 48adb895dd..468af17139 100644
--- a/lib/system/sysio.nim
+++ b/lib/system/sysio.nim
@@ -154,7 +154,7 @@ proc readAll(file: File): TaintedString =
 proc readFile(filename: string): TaintedString =
   var f = open(filename)
   try:
-    result = readAllFile(f).TaintedString
+    result = readAll(f).TaintedString
   finally:
     close(f)