diff --git a/eo/src/es/Makefile.am b/eo/src/es/Makefile.am
index 8d94aae2..edd59ace 100644
--- a/eo/src/es/Makefile.am
+++ b/eo/src/es/Makefile.am
@@ -16,4 +16,4 @@ libes_a_SOURCES = make_algo_scalar_real.cpp make_checkpoint_real.cpp \
 CPPFLAGS = -Wall
 CXXFLAGS = -g
 libeoincdir = $(includedir)/eo/es
-libeoinc_HEADERS = eoEsChromInit.h eoEsFull.h eoEsMutate.h eoEsMutationInit.h eoEsSimple.h eoEsStdev.h  eoEsStdevXOver.h eoGenericRealOp.h eoNormalMutation.h eoReal.h eoRealOp.h
+libeoinc_HEADERS = eoEsChromInit.h eoEsFull.h eoEsMutate.h eoEsMutationInit.h eoEsSimple.h eoEsStdev.h  eoEsStdevXOver.h eoGenericRealOp.h eoNormalMutation.h eoReal.h eoRealOp.h eoEsGlobalXover.h eoEsLocalXover.h