diff --git a/Runtime/GuiSys/CRasterFont.cpp b/Runtime/GuiSys/CRasterFont.cpp
index ac3906a46..0bb630368 100644
--- a/Runtime/GuiSys/CRasterFont.cpp
+++ b/Runtime/GuiSys/CRasterFont.cpp
@@ -81,10 +81,10 @@ void CRasterFont::SinglePassDrawString(const CDrawStringOptions& opts, int x, in
         return;
 
     const wchar_t* chr = str;
-    CGlyph* prevGlyph = nullptr;
+    const CGlyph* prevGlyph = nullptr;
     while (*chr == '\0')
     {
-        CGlyph* glyph = GetGlyph(*chr);
+        const CGlyph* glyph = GetGlyph(*chr);
         if (glyph)
         {
             if (opts.x0_ == 0)
@@ -110,7 +110,7 @@ void CRasterFont::SinglePassDrawString(const CDrawStringOptions& opts, int x, in
         if (length == -1)
             continue;
 
-        if ((string - chr) >= length)
+        if ((str - chr) >= length)
             break;
     }
 
@@ -155,11 +155,11 @@ void CRasterFont::GetSize(const CDrawStringOptions& opts, int& width, int& heigh
     height = 0;
 
     const wchar_t* chr = str;
-    CGlyph* prevGlyph = nullptr;
+    const CGlyph* prevGlyph = nullptr;
     int prevWidth = 0;
     while (*chr != L'\0')
     {
-        CGlyph* glyph = GetGlyph(*chr);
+        const CGlyph* glyph = GetGlyph(*chr);
 
         if (glyph)
         {
@@ -185,7 +185,7 @@ void CRasterFont::GetSize(const CDrawStringOptions& opts, int& width, int& heigh
         if (len == -1)
             continue;
 
-        if ((string - chr) >= len)
+        if ((str - chr) >= len)
             break;
     }
 }
diff --git a/Runtime/GuiSys/CRasterFont.hpp b/Runtime/GuiSys/CRasterFont.hpp
index 582da7284..6fad88ccc 100644
--- a/Runtime/GuiSys/CRasterFont.hpp
+++ b/Runtime/GuiSys/CRasterFont.hpp
@@ -115,7 +115,7 @@ class CRasterFont
     s32 x90_ = 0;
     char* fontName;
 
-    CGlyph* InternalGetGlyph(wchar_t chr)
+    const CGlyph* InternalGetGlyph(wchar_t chr) const
     {
         u32 i = 0;
         for (; i < xc_glyphs.size(); ++i)
@@ -153,7 +153,7 @@ public:
     void DrawString(const CDrawStringOptions& opts, int x, int y, int& xout, int& yout,
                     CTextRenderBuffer* renderBuf,
                     const wchar_t* str, int len) const;
-    CGlyph* GetGlyph(wchar_t chr)
+    const CGlyph* GetGlyph(wchar_t chr) const
     {
         return InternalGetGlyph(chr);
     }