diff --git a/src/tasks/pyqt.cpp b/src/tasks/pyqt.cpp
index 0c02041..9f86bb3 100644
--- a/src/tasks/pyqt.cpp
+++ b/src/tasks/pyqt.cpp
@@ -47,7 +47,9 @@ namespace mob::tasks {
 
         url prebuilt_url()
         {
-            return make_prebuilt_url("PyQt6_gpl-prebuilt-" + pyqt::version() + ".7z");
+            return make_prebuilt_url(
+                "PyQt6_gpl-prebuilt-" + pyqt::version() +
+                (pyqt::build_type() == config::debug ? "-debug" : "") + ".7z");
         }
 
         // file created by sip-module.exe
diff --git a/src/tasks/python.cpp b/src/tasks/python.cpp
index 2aa636f..b70d804 100644
--- a/src/tasks/python.cpp
+++ b/src/tasks/python.cpp
@@ -30,7 +30,9 @@ namespace mob::tasks {
 
         url prebuilt_url()
         {
-            return make_prebuilt_url("python-prebuilt-" + version_without_v() + ".7z");
+            return make_prebuilt_url(
+                "python-prebuilt-" + version_without_v() +
+                (python::build_type() == config::debug ? "-debug" : "") + ".7z");
         }
 
         fs::path solution_file()