diff --git a/configure.ac b/configure.ac
index 4f35fac9d2..96937d79eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -465,7 +465,7 @@ ERROR: could not find (recent enough) development-libs for libcurl.
 fi
 
 dnl ---------- SSL (m4/check_ssl.m4)
-if [["${enable_client}" = yes || "${enable_server}" = yes]] then
+if [["${enable_client}" = yes || "${enable_server}" = yes]]; then
     CHECK_SSL
     if test "${found_ssl}" = "yes"; then
        BOINC_EXTRA_LIBS="${BOINC_EXTRA_LIBS} ${SSL_LIBS}"