diff --git a/configure.ac b/configure.ac
index 068ef5c20c6..02ec57e6ab7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -461,7 +461,7 @@ OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
-OPTION_DEFAULT_ON([modules],[compile with dynamic modules support])
+OPTION_DEFAULT_ON([modules],[don't compile with dynamic modules support])
 OPTION_DEFAULT_ON([threads],[don't compile with elisp threading support])
 
 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],