diff --git a/source/core/rendering/hw_voxels.cpp b/source/core/rendering/hw_voxels.cpp
index 7ee3cbc6a..b48a3ef6b 100644
--- a/source/core/rendering/hw_voxels.cpp
+++ b/source/core/rendering/hw_voxels.cpp
@@ -99,7 +99,7 @@ void LoadVoxelModels()
 			if (voxmodels[i])
 				voxmodels[i]->scale = voxscale[i];
 			else
-				Printf("Unable to load voxel from %s\n", fileSystem.GetFileFullPath(lumpnum));
+				Printf("Unable to load voxel from %s\n", fileSystem.GetFileFullPath(lumpnum).GetChars());
 		}
 		else 
 		{