diff --git a/CMakeLists.txt b/CMakeLists.txt
index bcec44ec7ad..8b2531c6389 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 
 execute_process(COMMAND "modinfo" "vkms")
-execute_process(COMMAND "modprobe" "vkms")
+execute_process(COMMAND "modprobe" "vkms" COMMAND_ERROR_IS_FATAL ANY)
 
 set(MIR_VERSION_MAJOR 2)
 set(MIR_VERSION_MINOR 18)