diff --git a/terrain_viewer/terrain_mesh.pas b/terrain_viewer/terrain_mesh.pas
index d098b57..369a1cd 100644
--- a/terrain_viewer/terrain_mesh.pas
+++ b/terrain_viewer/terrain_mesh.pas
@@ -226,12 +226,11 @@ procedure TTerrainMesh.InitGL;
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, TexW, TexH, 0, GL_RGB, GL_UNSIGNED_BYTE, tex);
     if use_mip then begin
         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR );
-        glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR );
         gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGB8, TexW, TexH, GL_RGB, GL_UNSIGNED_BYTE, tex);
     end else begin
         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
-        glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
     end;
+    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
     glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
     result := texture_glidx;