diff --git a/src/PrusaSlicer.cpp b/src/PrusaSlicer.cpp
index 1204d00356..1517729ba0 100644
--- a/src/PrusaSlicer.cpp
+++ b/src/PrusaSlicer.cpp
@@ -276,17 +276,19 @@ int CLI::run(int argc, char **argv)
         }
     }
 
-    const auto* post_process = m_print_config.opt<ConfigOptionStrings>("post_process");
-    if (post_process != nullptr && !post_process->values.empty()) {
-        boost::nowide::cout << "\nA post-processing script has been detected in the config data:\n\n";
-        for (const auto& s : post_process->values) {
-            boost::nowide::cout << "> " << s << "\n";
+    if (!start_gui) {
+        const auto* post_process = m_print_config.opt<ConfigOptionStrings>("post_process");
+        if (post_process != nullptr && !post_process->values.empty()) {
+            boost::nowide::cout << "\nA post-processing script has been detected in the config data:\n\n";
+            for (const auto& s : post_process->values) {
+                boost::nowide::cout << "> " << s << "\n";
+            }
+            boost::nowide::cout << "\nContinue(Y/N) ? ";
+            char in;
+            boost::nowide::cin >> in;
+            if (in != 'Y' && in != 'y')
+                return 0;
         }
-        boost::nowide::cout << "\nContinue(Y/N) ? ";
-          char in;
-          boost::nowide::cin >> in;
-          if (in != 'Y' && in != 'y')
-              return 0;
     }
 
     // Apply command line options to a more specific DynamicPrintConfig which provides normalize()