diff --git a/src/graphics/engine/engine.cpp b/src/graphics/engine/engine.cpp
index e973eec1..5cf7b23f 100644
--- a/src/graphics/engine/engine.cpp
+++ b/src/graphics/engine/engine.cpp
@@ -276,7 +276,7 @@ bool CEngine::Create()
     Math::LoadOrthoProjectionMatrix(m_matProjInterface, 0.0f, 1.0f, 0.0f, 1.0f, -1.0f, 1.0f);
 
     TextureCreateParams params;
-    params.format = TEX_IMG_RGB;
+    params.format = TEX_IMG_AUTO;
     params.minFilter = TEX_MIN_FILTER_NEAREST;
     params.magFilter = TEX_MAG_FILTER_NEAREST;
     params.mipmap = false;
diff --git a/src/graphics/opengl/gldevice.cpp b/src/graphics/opengl/gldevice.cpp
index bbabdd62..9f64fab9 100644
--- a/src/graphics/opengl/gldevice.cpp
+++ b/src/graphics/opengl/gldevice.cpp
@@ -606,7 +606,7 @@ Texture CGLDevice::CreateTexture(ImageData *data, const TextureCreateParams &par
     }
     else if (params.format == TEX_IMG_AUTO)
     {
-        if (data->surface->format->Amask != 0)
+        if (data->surface->format->BytesPerPixel == 4)
         {
             if ((data->surface->format->Amask == 0xFF000000) &&
                 (data->surface->format->Rmask == 0x00FF0000) &&
@@ -630,7 +630,7 @@ Texture CGLDevice::CreateTexture(ImageData *data, const TextureCreateParams &par
                 convert = true;
             }
         }
-        else
+        else if (data->surface->format->BytesPerPixel == 3)
         {
             if ((data->surface->format->Rmask == 0xFF0000) &&
                 (data->surface->format->Gmask == 0x00FF00) &&
@@ -652,6 +652,10 @@ Texture CGLDevice::CreateTexture(ImageData *data, const TextureCreateParams &par
                 convert = true;
             }
         }
+        else {
+            GetLogger()->Error("Unknown data surface format");
+            assert(false);
+        }
     }
     else
         assert(false);