diff --git a/CMakeLists.txt b/CMakeLists.txt
index 906ec9935..b1405be5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,7 +147,7 @@ if(LASTFM5_INCLUDE_DIRS AND LASTFM51_INCLUDE_DIRS)
 endif()
 
 # CHROMAPRINT
-CHECK_INCLUDE_FILES(chromaprint.h REQUIRED CHROMAPRINT_H)
+CHECK_INCLUDE_FILES(chromaprint.h CHROMAPRINT_H)
 
 if (APPLE)
   find_library(SPARKLE Sparkle)