diff --git a/GPU/GLES/GLES_GPU.cpp b/GPU/GLES/GLES_GPU.cpp
index a53099e5a0..266e54ad35 100644
--- a/GPU/GLES/GLES_GPU.cpp
+++ b/GPU/GLES/GLES_GPU.cpp
@@ -1581,12 +1581,6 @@ void GLES_GPU::ExecuteOpInternal(u32 op, u32 diff) {
 #endif
 
 	case GE_CMD_TEXLEVEL:
-#ifndef MOBILE_DEVICE
-		if (data == 1)
-			WARN_LOG_REPORT_ONCE(texLevel1, G3D, "Unsupported texture level bias settings: %06x", data)
-		else if (data != 0)
-			WARN_LOG_REPORT_ONCE(texLevel2, G3D, "Unsupported texture level bias settings: %06x", data);
-#endif
 		if (diff)
 			gstate_c.textureChanged = true;
 		break;
diff --git a/GPU/GLES/TextureCache.cpp b/GPU/GLES/TextureCache.cpp
index ee954d58b6..b69193105a 100644
--- a/GPU/GLES/TextureCache.cpp
+++ b/GPU/GLES/TextureCache.cpp
@@ -489,8 +489,8 @@ void TextureCache::UpdateSamplingParams(TexCacheEntry &entry, bool force) {
 		// Enforce no mip filtering, for safety.
 		minFilt &= 1; // no mipmaps yet
 	} else {
-		// TODO: Is this a signed value? Which direction?
-		float lodBias = 0.0; // -(float)((gstate.texlevel >> 16) & 0xFF) / 16.0f;
+		// Texture lod bias should be signed.
+		float lodBias = (float)(int)(s8)((gstate.texlevel >> 16) & 0xFF) / 16.0f;
 		if (force || entry.lodBias != lodBias) {
 #ifndef USING_GLES2
 			glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, lodBias);