diff --git a/libraries/render-utils/src/Highlight.slh b/libraries/render-utils/src/Highlight.slh
index fe77c38fd5..b26337676f 100644
--- a/libraries/render-utils/src/Highlight.slh
+++ b/libraries/render-utils/src/Highlight.slh
@@ -15,7 +15,7 @@
 
 <@include Highlight_shared.slh@>
 
-layout(binding=RENDER_UTILS_BUFFER_HIGHLIGHT_PARAMS) uniform highlightParamsBuffer {
+layout(std140, binding=RENDER_UTILS_BUFFER_HIGHLIGHT_PARAMS) uniform highlightParamsBuffer {
     HighlightParameters params;
 };
 
diff --git a/libraries/render-utils/src/Highlight_aabox.slv b/libraries/render-utils/src/Highlight_aabox.slv
index 5130d5e7ff..2ecebdea51 100644
--- a/libraries/render-utils/src/Highlight_aabox.slv
+++ b/libraries/render-utils/src/Highlight_aabox.slv
@@ -45,7 +45,7 @@ struct HighlightParameters {
     vec2 outlineWidth;
 };
 
-layout(binding=0) uniform parametersBuffer {
+layout(std140, binding=0) uniform parametersBuffer {
     HighlightParameters _parameters;
 };