diff --git a/src/fsh.nim b/src/fsh.nim
index 2913640..10da1b1 100644
--- a/src/fsh.nim
+++ b/src/fsh.nim
@@ -248,6 +248,8 @@ proc execute(cmd: string): int =
   let strm=cmd.newStringStream
   while not strm.atEnd:
     let parsed = strm.readCommand.parseCommand
+    if parsed == @[]:
+      continue
     let progname = parsed[0]
     let args = parsed[1..parsed.high]
     if progname in builtins:
@@ -264,6 +266,8 @@ proc eval(cmd: string): string =
   let strm=cmd.newStringStream
   while not strm.atEnd():
     let parsed = strm.readCommand.parseCommand
+    if parsed == @[]:
+      continue
     let progname=parsed[0]
     let args = parsed[1..parsed.high]
     if progname in builtins: