diff --git a/src/Font.cpp b/src/Font.cpp
index 8c73e91f37..7e0798d8ac 100644
--- a/src/Font.cpp
+++ b/src/Font.cpp
@@ -505,8 +505,8 @@ int Font::latexWriteStartChanges(otexstream & os, BufferParams const & bparams,
 		if (runparams.inulemcmd) {
 			// needed with nested uwave in xout
 			// see https://tex.stackexchange.com/a/263042
-			os << "\\ULdepth=1000pt";
-			count += 15;
+			os << "\\ULdepth=\\maxdimen";
+			count += 18;
 		}
 		if (needs_cprotection) {
 			os << "\\cprotect";