diff --git a/script/ssl-server.sh b/script/ssl-server.sh
index b7f860d4a0..53301e3f4d 100755
--- a/script/ssl-server.sh
+++ b/script/ssl-server.sh
@@ -1,2 +1,13 @@
 #!/bin/sh
-CATALYST_DEBUG=1 DBIC_TRACE=1 DBIC_TRACE_PROFILE=console DEVEL_CONFESS_OPTIONS='objects builtin dump color source' perl `which plackup` -I ../data-hal/lib -I ../ngcp-schema/lib -I lib -I ../sipwise-base/lib/ ngcp_panel.psgi --listen /tmp/ngcp_panel_sock --nproc 1 -s FCGI -r
+
+export CATALYST_DEBUG=1
+export DBIC_TRACE=1
+export DBIC_TRACE_PROFILE=console
+export DEVEL_CONFESS_OPTIONS='objects builtin dump color source'
+
+perl "$(which plackup)" \
+  -I ../data-hal/lib \
+  -I ../ngcp-schema/lib \
+  -I lib \
+  -I ../sipwise-base/lib/ \
+  ngcp_panel.psgi --listen /tmp/ngcp_panel_sock --nproc 1 -s FCGI -r