diff --git a/tracy.cmake b/tracy.cmake
index 8c8d57f5..e5b2cb00 100644
--- a/tracy.cmake
+++ b/tracy.cmake
@@ -52,6 +52,12 @@ function(_SETUP_TRACY_HEADER)
   endif()
   string(TOLOWER "${HEADER_DIR}" "HEADER_DIR")
 
+  if(NOT DEFINED PROJECT_CUSTOM_HEADER_EXTENSION)
+    set(HEADER_EXTENSION "hh")
+  else()
+    set(HEADER_EXTENSION ${PROJECT_CUSTOM_HEADER_EXTENSION})
+  endif()
+
   string(REGEX REPLACE "[^a-zA-Z0-9]" "_" PACKAGE_CPPNAME "${PROJECT_NAME}")
   string(TOUPPER "${PACKAGE_CPPNAME}" PACKAGE_CPPNAME)
 
@@ -61,7 +67,7 @@ function(_SETUP_TRACY_HEADER)
     HEADER_DIR
     ${HEADER_DIR}
     FILENAME
-    tracy.hpp
+    tracy.${HEADER_EXTENSION}
     LIBRARY_NAME
     ${PACKAGE_CPPNAME}
     TRACY_ENABLE