diff --git a/eo/app/gprop/mlp.h b/eo/app/gprop/mlp.h
index b05f8c243..3628325f1 100644
--- a/eo/app/gprop/mlp.h
+++ b/eo/app/gprop/mlp.h
@@ -17,6 +17,8 @@
 #include <utils/rnd_generators.h> // normal_generator
 #include <vecop.h>                // *
 
+#include <assert.h>
+#include <limits>
 
 
 namespace mlp
diff --git a/eo/src/utils/eoGnuplot.cpp b/eo/src/utils/eoGnuplot.cpp
index 55bca8d18..2905e6161 100644
--- a/eo/src/utils/eoGnuplot.cpp
+++ b/eo/src/utils/eoGnuplot.cpp
@@ -24,6 +24,7 @@
 #include <config.h>
 #endif
 
+#include <string.h>
 #include <sstream>
 #include <stdexcept>