diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a594c79ceb843375e60f3b215f57eb3b2a123c1..98bfc3fcc90a30ed9e77abb1913d550b51fe0fef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ option (OPENDHT_PROXY_SERVER "Enable DHT proxy server, use Restbed and jsoncpp"
 option (OPENDHT_PUSH_NOTIFICATIONS "Enable push notifications support" OFF)
 option (OPENDHT_PROXY_SERVER_IDENTITY "Allow clients to use the node identity" OFF)
 option (OPENDHT_PROXY_CLIENT "Enable DHT proxy client, use Restbed and jsoncpp" OFF)
-option (OPENDHT_INDEX "Build DHT indexation feature" OFF)
+option (OPENDHT_INDEX "Build DHT indexation feature" ON)
 
 find_package(Doxygen)
 option (OPENDHT_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" ${DOXYGEN_FOUND})
diff --git a/configure.ac b/configure.ac
index 2890f2abdfc12ae44da54a21c1e5adf6e77d4425..f8475cc974b5ce75bd1223c674edb38d9d45cd9f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ AC_PROG_CXX
 AM_PROG_AR
 
 dnl Check for logs
-AC_ARG_ENABLE([logs], [AS_HELP_STRING([--disable-logs], [Disble DHT logs])])
+AC_ARG_ENABLE([logs], [AS_HELP_STRING([--disable-logs], [Disable DHT logs])])
 AS_IF([test "x$enable_logs" != "xno"], [
 	AC_DEFINE([OPENDHT_LOG], [true], [Define if DHT logs are enabled])
 ], [
@@ -33,9 +33,9 @@ AS_IF([test "x$enable_logs" != "xno"], [
 ])
 
 dnl Check for indexation
-AC_ARG_ENABLE([indexation], [AS_HELP_STRING([--enable-indexation], [Enable DHT indexation])])
-AM_CONDITIONAL(ENABLE_INDEXATION, test x$enable_indexation == xyes)
-AS_IF([test "x$enable_indexation" = "xyes"], [
+AC_ARG_ENABLE([indexation], [AS_HELP_STRING([--disable-indexation], [Disable DHT indexation])])
+AM_CONDITIONAL(ENABLE_INDEXATION, test x$enable_indexation != "xno")
+AS_IF([test "x$enable_indexation" != "xno"], [
 	AC_DEFINE([OPENDHT_INDEXATION], [1], [Define if DHT indexation is enabled])
 ])