diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a3070c16..e1cd42993 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,7 +50,7 @@ macro(add_gcc_compiler_flags FLAGS)
   add_gcc_compiler_cflags("${FLAGS}")
 endmacro(add_gcc_compiler_flags)
 
-add_definitions(-DQT_NO_KEYWORDS -DQT_NO_EXCEPTIONS -DQT_NO_STL -DQT_STRICT_ITERATORS)
+add_definitions(-DQT_NO_KEYWORDS -DQT_NO_EXCEPTIONS -DQT_NO_STL -DQT_STRICT_ITERATORS -DQT_NO_CAST_TO_ASCII)
 
 add_gcc_compiler_flags("-ansi -fno-common -fstack-protector -D_FORTIFY_SOURCE=2")
 add_gcc_compiler_flags("-Wall -Wextra -Wundef -Wpointer-arith -Wno-long-long")
diff --git a/tests/TestKeePass2XmlReader.cpp b/tests/TestKeePass2XmlReader.cpp
index b32e45ff1..0e36618cf 100644
--- a/tests/TestKeePass2XmlReader.cpp
+++ b/tests/TestKeePass2XmlReader.cpp
@@ -32,7 +32,7 @@ namespace QTest {
     char *toString(const Uuid &uuid)
     {
         QByteArray ba = "Uuid(";
-        ba += uuid.toBase64();
+        ba += uuid.toBase64().toAscii().constData();
         ba += ")";
         return qstrdup(ba.data());
     }