diff --git a/mlir/include/mlir/Dialect/IRDL/IR/CMakeLists.txt b/mlir/include/mlir/Dialect/IRDL/IR/CMakeLists.txt
index ec3e06bedae03..861db0ca96671 100644
--- a/mlir/include/mlir/Dialect/IRDL/IR/CMakeLists.txt
+++ b/mlir/include/mlir/Dialect/IRDL/IR/CMakeLists.txt
@@ -1,5 +1,5 @@
 add_mlir_dialect(IRDL irdl)
-add_mlir_doc(IRDLOps IRDL Dialects/ -gen-dialect-doc)
+add_mlir_doc(IRDLOps IRDL Dialects/ -gen-dialect-doc -dialect=irdl)
 
 # Add IRDL interfaces
 set(LLVM_TARGET_DEFINITIONS IRDLInterfaces.td)