diff --git a/java-11-openjdk.spec b/java-11-openjdk.spec
index 0cb9731..989ab93 100644
--- a/java-11-openjdk.spec
+++ b/java-11-openjdk.spec
@@ -927,7 +927,7 @@ Requires: lksctp-tools%{?_isa}
 # tool to copy jdk's configs - should be Recommends only, but then only dnf/yum enforce it,
 # not rpm transaction and so no configs are persisted when pure rpm -u is run. It may be
 # considered as regression
-Requires: copy-jdk-configs >= 3.3
+Requires: copy-jdk-configs >= 4.0
 OrderWithRequires: copy-jdk-configs
 # for printing support
 Requires: cups-libs
@@ -1885,7 +1885,13 @@ done
 -- whether copy-jdk-configs is installed or not. If so, then configs are copied
 -- (copy_jdk_configs from %%{_libexecdir} used) or not copied at all
 local posix = require "posix"
-local debug = false
+
+if (os.getenv("debug") == "true") then
+  debug = true;
+  print("cjc: in spec debug is on")
+else 
+  debug = false;
+end
 
 SOURCE1 = "%{rpm_state_dir}/copy_jdk_configs.lua"
 SOURCE2 = "%{_libexecdir}/copy_jdk_configs.lua"
@@ -1913,9 +1919,10 @@ else
   return
   end
 end
--- run content of included file with fake args
-arg = {"--currentjvm", "%{uniquesuffix %{nil}}", "--jvmdir", "%{_jvmdir %{nil}}", "--origname", "%{name}", "--origjavaver", "%{javaver}", "--arch", "%{_arch}", "--temp", "%{rpm_state_dir}/%{name}.%{_arch}"}
-require "copy_jdk_configs.lua"
+arg = nil ;  -- it is better to null the arg up, no meter if they exists or not, and use cjc as module in unified way, instead of relaying on "main" method during require "copy_jdk_configs.lua"
+cjc = require "copy_jdk_configs.lua"
+args = {"--currentjvm", "%{uniquesuffix %{nil}}", "--jvmdir", "%{_jvmdir %{nil}}", "--origname", "%{name}", "--origjavaver", "%{javaver}", "--arch", "%{_arch}", "--temp", "%{rpm_state_dir}/%{name}.%{_arch}"}
+cjc.mainProgram(args)
 
 %post
 %{post_script %{nil}}