diff --git a/src/gui/util/qpkmhandler.cpp b/src/gui/util/qpkmhandler.cpp
index 0ad0a54a79..9b1337a658 100644
--- a/src/gui/util/qpkmhandler.cpp
+++ b/src/gui/util/qpkmhandler.cpp
@@ -57,7 +57,7 @@ struct PkmType
     quint32 bytesPerBlock;
 };
 
-static PkmType typeMap[5] = {
+static constexpr PkmType typeMap[5] = {
     { 0x8D64,  8 },   // GL_ETC1_RGB8_OES
     { 0x9274,  8 },   // GL_COMPRESSED_RGB8_ETC2
     { 0, 0 },         // unused (obsolete)