https://bugs.gentoo.org/924747
--- a/src/extension/implementation/script.cpp
+++ b/src/extension/implementation/script.cpp
@@ -87,12 +87,12 @@ const std::map<std::string, Script::interpreter_t> Script::interpreterTab = {
     { "python",  {"python-interpreter",  {"pythonw"           }}},
 #elif defined __APPLE__
     { "perl",    {"perl-interpreter",    {"perl"              }}},
-    { "python",  {"python-interpreter",  {"python3"           }}},
+    { "python",  {"python-interpreter",  {"@GENTOO_PYTHON_INTERP@", "python3"           }}},
 #else
     { "perl",    {"perl-interpreter",    {"perl"              }}},
-    { "python",  {"python-interpreter",  {"python3", "python" }}},
+    { "python",  {"python-interpreter",  {"@GENTOO_PYTHON_INTERP@", "python3", "python" }}},
 #endif
-    { "python2", {"python2-interpreter", {"python2", "python" }}},
+    { "python2", {"python2-interpreter", {"python2", "@GENTOO_PYTHON_INTERP@", "python" }}},
     { "ruby",    {"ruby-interpreter",    {"ruby"    }}},
     { "shell",   {"shell-interpreter",   {"sh"      }}},
     // clang-format on