diff --git a/src/Plugins/TgaImageConverter/Test/TgaImageConverterTest.cpp b/src/Plugins/TgaImageConverter/Test/TgaImageConverterTest.cpp
index 0a03fcd45..cc9365fa2 100644
--- a/src/Plugins/TgaImageConverter/Test/TgaImageConverterTest.cpp
+++ b/src/Plugins/TgaImageConverter/Test/TgaImageConverterTest.cpp
@@ -49,7 +49,7 @@ class TgaImageConverterTest: public TestSuite::Tester {
 };
 
 namespace {
-    constexpr const char originalData[] = {
+    constexpr char originalData[] = {
         1, 2, 3, 2, 3, 4,
         3, 4, 5, 4, 5, 6,
         5, 6, 7, 6, 7, 8