diff --git a/common/src/main/java/foundry/veil/mixin/shader/client/ShaderInstanceMixin.java b/common/src/main/java/foundry/veil/mixin/shader/client/ShaderInstanceMixin.java
index f02ed96b4..9f10e74d0 100644
--- a/common/src/main/java/foundry/veil/mixin/shader/client/ShaderInstanceMixin.java
+++ b/common/src/main/java/foundry/veil/mixin/shader/client/ShaderInstanceMixin.java
@@ -148,7 +148,7 @@ public void updateLocations(CallbackInfo ci) {
                 int minecraftType;
                 int minecraftCount;
                 switch (dataType) {
-                    case GL_INT -> {
+                    case GL_INT, GL_BOOL -> {
                         minecraftType = Uniform.UT_INT1;
                         minecraftCount = 1;
                     }