diff --git a/extern/shiny b/extern/shiny
index 7af50bf44..34c098c63 160000
--- a/extern/shiny
+++ b/extern/shiny
@@ -1 +1 @@
-Subproject commit 7af50bf4463a828ee0e8cb72c93445c793864bf9
+Subproject commit 34c098c636659b63e0ce85d371f4933c27191753
diff --git a/files/materials/objects.shader b/files/materials/objects.shader
index eafce7af6..39c9b42e0 100644
--- a/files/materials/objects.shader
+++ b/files/materials/objects.shader
@@ -132,7 +132,7 @@
         shUniform(float4, fogParams) @shAutoConstant(fogParams, fog_params)
 #endif
 
-#ifdef HAS_VERTEXCOLOR
+#if HAS_VERTEXCOLOR
         shInput(float4, colourPassthrough)
 #endif
 
diff --git a/files/materials/terrain.shader b/files/materials/terrain.shader
index 24771ca41..e0187959f 100644
--- a/files/materials/terrain.shader
+++ b/files/materials/terrain.shader
@@ -247,10 +247,7 @@
         // first layer of first pass doesn't need a blend map
         albedo = shSample(diffuseMap0, UV * 10).rgb;
 #else
-        #define BLEND_AMOUNT blendValues@shPropertyString(blendmap_component_@shIterator)
-        
-        
-        albedo = shLerp(albedo, shSample(diffuseMap@shIterator, UV * 10).rgb, BLEND_AMOUNT);
+        albedo = shLerp(albedo, shSample(diffuseMap@shIterator, UV * 10).rgb, blendValues@shPropertyString(blendmap_component_@shIterator));
 
 #endif
 @shEndForeach