diff --git a/src/LaTeX.cpp b/src/LaTeX.cpp
index 6063d80719..06add5bb6a 100644
--- a/src/LaTeX.cpp
+++ b/src/LaTeX.cpp
@@ -892,9 +892,11 @@ int LaTeX::scanLogFile(TeXErrors & terr)
 						 from_local8bit("pdfTeX Error"),
 						 from_local8bit(token),
 						 child_name);
-			} else if (prefixIs(token, "Missing character: There is no ")) {
-				// XeTeX/LuaTeX error about missing glyph in selected font
-				// (bug 9610)
+			} else if (prefixIs(token, "Missing character: There is no ")
+					   && !contains(token, "nullfont")) {
+				// Warning about missing glyph in selected font
+				// may be dataloss (bug 9610)
+				// but can be ignored for 'nullfont' (bug 10394).
 				retval |= LATEX_ERROR;
 				terr.insertError(0,
 						 from_local8bit("Missing glyphs!"),
diff --git a/status.22x b/status.22x
index 249f035df0..612ea23257 100644
--- a/status.22x
+++ b/status.22x
@@ -85,6 +85,8 @@ What's new
   inoperable). (bug 10261, see http://www.lyx.org/trac/ticket/10261#comment:16
   for a workaround to KDE's bug.)
 
+- Do not issue an error on missing characters in 'nullfont' (bug 10394).
+
 
 * INTERNALS