diff --git a/lib/Epub/Epub/blocks/TextBlock.cpp b/lib/Epub/Epub/blocks/TextBlock.cpp
index 59c95f79..ac105caa 100644
--- a/lib/Epub/Epub/blocks/TextBlock.cpp
+++ b/lib/Epub/Epub/blocks/TextBlock.cpp
@@ -33,7 +33,7 @@ void TextBlock::render(const GfxRenderer& renderer, const int fontId, const int
       if (w.size() >= 3 && static_cast<uint8_t>(w[0]) == 0xE2 && static_cast<uint8_t>(w[1]) == 0x80 &&
           static_cast<uint8_t>(w[2]) == 0x83) {
         const char* visiblePtr = w.c_str() + 3;
-        const int prefixWidth = renderer.getTextAdvanceX(fontId, std::string("\xe2\x80\x83").c_str());
+        const int prefixWidth = renderer.getTextAdvanceX(fontId, "\xe2\x80\x83");
         const int visibleWidth = renderer.getTextWidth(fontId, visiblePtr, currentStyle);
         startX = wordX + prefixWidth;
         underlineWidth = visibleWidth;