diff --git a/nselib/redis.lua b/nselib/redis.lua
index 50b28b850..fab919059 100644
--- a/nselib/redis.lua
+++ b/nselib/redis.lua
@@ -78,7 +78,7 @@ Response = {
 
       local len = tonumber(data:match("^%$(%d*)"))
       -- we should only have a single line, so we can just peel of the length
-      status, data = self.socket:receive_buf(match.numbytes(len), false)
+      status, data = self.socket:receive_buf(match.numbytes(len), true)
       if( not(status) ) then
         return false, "Failed to receive data from server"
       end
diff --git a/nselib/rsync.lua b/nselib/rsync.lua
index cc6fa19b0..f477524d1 100644
--- a/nselib/rsync.lua
+++ b/nselib/rsync.lua
@@ -152,13 +152,13 @@ Helper = {
       return false, data
     end
 
-    status, data = self.socket:receive_buf(match.numbytes(4), false)
+    status, data = self.socket:receive_buf(match.numbytes(4), true)
     if ( not(status) ) then
       return false, data
     end
 
     local len = string.unpack("<I2", data)
-    status, data = self.socket:receive_buf(match.numbytes(len), false)
+    status, data = self.socket:receive_buf(match.numbytes(len), true)
     if ( not(status) ) then
       return false, data
     end