diff --git a/core/src/main/groovy/com/muwire/core/search/ResultsParser.groovy b/core/src/main/groovy/com/muwire/core/search/ResultsParser.groovy
index 3189eb1e..8be14be0 100644
--- a/core/src/main/groovy/com/muwire/core/search/ResultsParser.groovy
+++ b/core/src/main/groovy/com/muwire/core/search/ResultsParser.groovy
@@ -34,7 +34,7 @@ class ResultsParser {
             throw new InvalidSearchResultException("length missing")
         if (json.infohash == null)
             throw new InvalidSearchResultException("infohash missing")
-        if (json.pieceSize == null || json.pieceSize == 0)
+        if (json.pieceSize == null || json.pieceSize <= 0)
             throw new InvalidSearchResultException("pieceSize missing")
         if (!(json.hashList instanceof List))
             throw new InvalidSearchResultException("hashlist not a list")
@@ -75,7 +75,7 @@ class ResultsParser {
             throw new InvalidSearchResultException("length missing")
         if (json.infohash == null)
             throw new InvalidSearchResultException("infohash missing")
-        if (json.pieceSize == null || json.pieceSize)
+        if (json.pieceSize == null || json.pieceSize <= 0)
             throw new InvalidSearchResultException("pieceSize missing")
         if (json.hashList != null)
             throw new InvalidSearchResultException("V2 result with hashlist")