diff --git a/integration/test/Testlib/ModService.hs b/integration/test/Testlib/ModService.hs
index 83b5cfcf900..e8ca2630af0 100644
--- a/integration/test/Testlib/ModService.hs
+++ b/integration/test/Testlib/ModService.hs
@@ -19,6 +19,7 @@ import Control.Monad.Reader
 import Control.Retry (fibonacciBackoff, limitRetriesByCumulativeDelay, retrying)
 import Data.Aeson hiding ((.=))
 import qualified Data.Attoparsec.Text as Parser
+import Data.Char (isSpace)
 import Data.Default
 import Data.Foldable
 import Data.Function
@@ -312,7 +313,7 @@ parseSS :: Text -> Either String (Maybe (String, ProcessID))
 parseSS input =
   if Text.null input
     then pure Nothing
-    else Just <$> Parser.parseOnly (ssParser <* Parser.endOfInput) input
+    else Just <$> Parser.parseOnly ssParser input
 
 -- Example input:
 -- LISTEN   0  4096  127.0.0.1:8082  0.0.0.0:*  users:(("brig",pid=51468,fd=79))
@@ -328,11 +329,12 @@ ssParser = do
   _ <- Parser.char ','
   p <- pid
   _ <- Parser.many1 noNewLine
+  Parser.endOfInput
   pure (name, p)
   where
     spaces = void $ Parser.many' Parser.space
-    noSpace = Parser.satisfy (/= ' ')
-    noSpaces = Parser.many1 noSpace
+    noSpaces = Parser.takeWhile1 (not . isSpace)
+    noDoubleQuote = Parser.takeWhile1 (/= '"')
     token p = do
       spaces
       res <- p
@@ -344,7 +346,7 @@ ssParser = do
     quoted = do
       token $ do
         _ <- Parser.char '"'
-        tok <- noSpaces
+        tok <- Text.unpack <$> noDoubleQuote
         _ <- Parser.char '"'
         pure tok
     pid = do