diff --git a/CorsixTH/Src/th_gfx_font.cpp b/CorsixTH/Src/th_gfx_font.cpp
index b3cdcd0..09a62d2 100644
--- a/CorsixTH/Src/th_gfx_font.cpp
+++ b/CorsixTH/Src/th_gfx_font.cpp
@@ -731,8 +731,11 @@ int THFreeTypeFont::drawTextWrapped(THRenderTarget* pCanvas, const char* sMessag
         }
 
         // Convert the canvas to a texture
-        _makeTexture(pCanvas, pEntry);
-        pEntry->bIsValid = true;
+        if (pCanvas != NULL)
+        {
+            _makeTexture(pCanvas, pEntry);
+            pEntry->bIsValid = true;
+        }
     }
 
     if(pCanvas != NULL)