diff --git a/configure.ac b/configure.ac
index c8825366..256695d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,6 +13,7 @@ AC_CONFIG_HEADERS([config.h])
 
 AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
+AM_PROG_CC_C_O  # Automake 1.13.4 on CentOS 7
 AC_PROG_RANLIB
 AM_PROG_AR
 AC_PROG_SED