diff --git a/scripts/ExternalInterfaces/CMakeLists.txt b/scripts/ExternalInterfaces/CMakeLists.txt
index bf6ee4eb26134164b8a5d52aa3cdade70347d4f5..89e7ec8cffb18c8dcc8b69975777d2bffc4bdf42 100644
--- a/scripts/ExternalInterfaces/CMakeLists.txt
+++ b/scripts/ExternalInterfaces/CMakeLists.txt
@@ -8,7 +8,7 @@ externalproject_add(mslice
                     GIT_REPOSITORY
                     "https://github.com/mantidproject/mslice.git"
                     GIT_TAG
-                    c216e8ce9ba3a9804d980b16e4fcd9a0c078632e
+                    98510b984f4efd0e8fbadac60d813e825aad01ae
                     EXCLUDE_FROM_ALL 1
                     CONFIGURE_COMMAND ""
                     BUILD_COMMAND ""