diff --git a/tesseract_examples/CMakeLists.txt b/tesseract_examples/CMakeLists.txt
index 285ef34f75..a4f4c08330 100644
--- a/tesseract_examples/CMakeLists.txt
+++ b/tesseract_examples/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.15.0)
 # Extract package name and version
 find_package(ros_industrial_cmake_boilerplate REQUIRED)
 extract_package_metadata(pkg)
-project(${pkg_extracted_name} VERSION ${pkg_extracted_version} LANGUAGES CXX)
+project(${pkg_extracted_name} VERSION ${pkg_extracted_version} LANGUAGES C CXX)
 
 find_package(tesseract_environment REQUIRED)
 find_package(tesseract_command_language REQUIRED)
diff --git a/tesseract_motion_planners/CMakeLists.txt b/tesseract_motion_planners/CMakeLists.txt
index 075c4b71e4..596aa85b09 100644
--- a/tesseract_motion_planners/CMakeLists.txt
+++ b/tesseract_motion_planners/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.15.0)
 # Extract package name and version
 find_package(ros_industrial_cmake_boilerplate REQUIRED)
 extract_package_metadata(pkg)
-project(${pkg_extracted_name} VERSION ${pkg_extracted_version} LANGUAGES CXX)
+project(${pkg_extracted_name} VERSION ${pkg_extracted_version} LANGUAGES C CXX)
 
 if(WIN32)
   set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
diff --git a/tesseract_task_composer/CMakeLists.txt b/tesseract_task_composer/CMakeLists.txt
index 392e21c1d8..52f6e9ccc2 100644
--- a/tesseract_task_composer/CMakeLists.txt
+++ b/tesseract_task_composer/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.15.0)
 # Extract package name and version
 find_package(ros_industrial_cmake_boilerplate REQUIRED)
 extract_package_metadata(pkg)
-project(${pkg_extracted_name} VERSION ${pkg_extracted_version} LANGUAGES CXX)
+project(${pkg_extracted_name} VERSION ${pkg_extracted_version} LANGUAGES C CXX)
 
 if(WIN32)
   set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)