diff --git a/share/qtcreator/debugger/gdbbridge.py b/share/qtcreator/debugger/gdbbridge.py
index fec4ee84b3d..967d1ce3921 100644
--- a/share/qtcreator/debugger/gdbbridge.py
+++ b/share/qtcreator/debugger/gdbbridge.py
@@ -1179,6 +1179,8 @@ class Dumper(DumperBase):
         return self.qtNamespace() + 'Qt::' + enumValue
 
     def lookupNativeType(self, type_name):
+        typeobj = None
+
         if type_name == 'void':
             typeobj = gdb.lookup_type(type_name)
             self.typesToReport[type_name] = typeobj
diff --git a/tests/auto/debugger/tst_dumpers.cpp b/tests/auto/debugger/tst_dumpers.cpp
index 5dad15185b3..da0b895ac8a 100644
--- a/tests/auto/debugger/tst_dumpers.cpp
+++ b/tests/auto/debugger/tst_dumpers.cpp
@@ -1428,6 +1428,7 @@ void tst_Dumpers::dumper()
     if (data.neededGccVersion.isRestricted && m_debuggerEngine == GdbEngine) {
         QProcess gcc;
         gcc.setWorkingDirectory(t->buildPath);
+        gcc.setProcessEnvironment(m_env);
         gcc.start("gcc", {"--version"});
         QVERIFY(gcc.waitForFinished());
         output = gcc.readAllStandardOutput();