diff --git a/build-scripts/postfix-install.sh b/build-scripts/postfix-install.sh
index dc4705f..d9e9911 100644
--- a/build-scripts/postfix-install.sh
+++ b/build-scripts/postfix-install.sh
@@ -23,7 +23,11 @@ do_ubuntu() {
     apt-get install -y libsasl2-modules sasl2-bin
     apt-get install -y postfix postfix-pcre postfix-ldap
     apt-get install -y opendkim
-    apt-get install -y ca-certificates tzdata supervisor rsyslog bash opendkim-tools curl libcurl4t64 libjsoncpp25 sasl2-bin postfix-lmdb procps logrotate cron net-tools colorized-logs netcat-openbsd ${RELEASE_SPECIFIC_PACKAGES}
+    local libcurl="libcurl4"
+    if "$(apt-cache search --names-only '^libcurl4t64$')" != ""; then
+        libcurl="libcurl4t64"
+    fi
+    apt-get install -y ca-certificates tzdata supervisor rsyslog bash opendkim-tools curl ${libcurl} libjsoncpp25 sasl2-bin postfix-lmdb procps logrotate cron net-tools colorized-logs netcat-openbsd ${RELEASE_SPECIFIC_PACKAGES}
     apt-get clean
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*    
 }