diff --git a/cmake/springbok_static_module.cmake b/cmake/springbok_static_module.cmake
index 873c518..b923ad4 100644
--- a/cmake/springbok_static_module.cmake
+++ b/cmake/springbok_static_module.cmake
@@ -50,6 +50,7 @@
     set(_MLIR_SRC "${CMAKE_CURRENT_BINARY_DIR}/${_RULE_NAME}.mlir")
     get_filename_component(_SRC_PATH "${_RULE_SRC}" REALPATH)
     set(_ARGS "${_SRC_PATH}")
+    list(APPEND _ARGS "--output-format=mlir-ir")
     list(APPEND _ARGS "-o")
     list(APPEND _ARGS "${_RULE_NAME}.mlir")
     # Only add the custom_command here. The output is passed to
diff --git a/cmake/springbok_vmvx_module.cmake b/cmake/springbok_vmvx_module.cmake
index 72e8bde..1a7a524 100644
--- a/cmake/springbok_vmvx_module.cmake
+++ b/cmake/springbok_vmvx_module.cmake
@@ -47,6 +47,7 @@
     set(_MLIR_SRC "${CMAKE_CURRENT_BINARY_DIR}/${_RULE_NAME}.mlir")
     get_filename_component(_SRC_PATH "${_RULE_SRC}" REALPATH)
     set(_ARGS "${_SRC_PATH}")
+    list(APPEND _ARGS "--output-format=mlir-ir")
     list(APPEND _ARGS "-o")
     list(APPEND _ARGS "${_RULE_NAME}.mlir")
     # Only add the custom_command here. The output is passed to