diff --git a/tools/doc/Cantera.cfg.in b/tools/doc/Cantera.cfg.in
index 6c8322c87..d0a8ea9f9 100755
--- a/tools/doc/Cantera.cfg.in
+++ b/tools/doc/Cantera.cfg.in
@@ -128,6 +128,7 @@ FILE_PATTERNS          = Kinetics.h Kinetics.cpp \
                          utilities.h phasereport.cpp \
                          VPStandardStateTP.h     VPStandardStateTP.cpp \
                          SingleSpeciesTP.h SingleSpeciesTP.cpp \
+                         MetalSHEelectrons.h MetalSHEelectrons.cpp \
                          MolalityVPSSTP.h        MolalityVPSSTP.cpp \
                          IdealMolalSoln.h        IdealMolalSoln.cpp \
                          IdealSolidSolnPhase.h   IdealSolidSolnPhase.cpp \