diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e5b3cb..9bcd496 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@ else()
     set(PICOTOOL_VERSION 1.1.0-develop)
     set(SYSTEM_VERSION "${CMAKE_SYSTEM_NAME} ${CMAKE_SYSTEM_VERSION}")
 
-    set(COMPILER_INFO "${CMAKE_C_COMPILER_ID}-${CMAKE_C_COMPILER_VERSION} ${CMAKE_BUILD_TYPE}")
+    set(COMPILER_INFO "${CMAKE_C_COMPILER_ID}-${CMAKE_C_COMPILER_VERSION}, ${CMAKE_BUILD_TYPE}")
     target_compile_definitions(picotool PRIVATE
             PICOTOOL_VERSION="${PICOTOOL_VERSION}"
             SYSTEM_VERSION="${SYSTEM_VERSION}"