diff --git a/src/rendering/gl/renderer/gl_renderstate.cpp b/src/rendering/gl/renderer/gl_renderstate.cpp
index 8bb637ca4..4eb25647b 100644
--- a/src/rendering/gl/renderer/gl_renderstate.cpp
+++ b/src/rendering/gl/renderer/gl_renderstate.cpp
@@ -128,7 +128,7 @@ bool FGLRenderState::ApplyShader()
 	activeShader->muFogEnabled.Set(fogset);
 
 	int f = mTextureModeFlags;
-	if (!mBrightmapEnabled) f &= TEXF_Detailmap;
+	if (!mBrightmapEnabled) f &= ~(TEXF_Brightmap | TEXF_Glowmap);
 	activeShader->muTextureMode.Set((mTextureMode == TM_NORMAL && mTempTM == TM_OPAQUE ? TM_OPAQUE : mTextureMode) | f);
 	activeShader->muLightParms.Set(mLightParms);
 	activeShader->muFogColor.Set(mStreamData.uFogColor);
diff --git a/src/rendering/vulkan/renderer/vk_renderstate.cpp b/src/rendering/vulkan/renderer/vk_renderstate.cpp
index f5cc42e76..ca08b4134 100644
--- a/src/rendering/vulkan/renderer/vk_renderstate.cpp
+++ b/src/rendering/vulkan/renderer/vk_renderstate.cpp
@@ -374,7 +374,7 @@ void VkRenderState::ApplyPushConstants()
 
 	mPushConstants.uFogEnabled = fogset;
 	int f = mTextureModeFlags;
-	if (!mBrightmapEnabled)
+	if (!mBrightmapEnabled) f &= ~(TEXF_Brightmap|TEXF_Glowmap);
 	mPushConstants.uTextureMode = (mTextureMode == TM_NORMAL && tempTM == TM_OPAQUE ? TM_OPAQUE : mTextureMode) | f;
 	mPushConstants.uLightDist = mLightParms[0];
 	mPushConstants.uLightFactor = mLightParms[1];