diff --git a/.gitattributes b/.gitattributes
index 3d7ee6dd4..96ff5a1f3 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -11,4 +11,5 @@
 *.xdc text
 *.xml text
 *.qsys text
+*.xise text
 Makefile text