diff --git a/.gitattributes b/.gitattributes
index cbdcbbc25..ca3f85b65 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 *.js text eol=lf
+*.dat text eol=crlf
diff --git a/src/cds/src/main/kotlin/org/icpclive/cds/testsys/TestSysDataSource.kt b/src/cds/src/main/kotlin/org/icpclive/cds/testsys/TestSysDataSource.kt
index 77534e62d..3c46f6649 100644
--- a/src/cds/src/main/kotlin/org/icpclive/cds/testsys/TestSysDataSource.kt
+++ b/src/cds/src/main/kotlin/org/icpclive/cds/testsys/TestSysDataSource.kt
@@ -21,7 +21,7 @@ internal class TestSysDataSource(val settings: TestSysSettings) : FullReloadCont
                 Charset.forName("windows-1251")
             )
         }.map {
-            it.split("\r\n").filter(String::isNotEmpty)
+            it.split("\r\n", "\n").filter(String::isNotEmpty)
         }
 
     override suspend fun loadOnce(): ContestParseResult {