diff --git a/Makefile.am b/Makefile.am
index 40ea490..f63be84 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,4 +8,5 @@
 	-lstdc++fs \
 	-version-info 0:0:0 -shared
 
-libethstatscmd_la_CXXFLAGS =
+libethstatscmd_la_CXXFLAGS = \
+	-flto