diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 8d18c2a..0761f43 100755
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -44,7 +44,7 @@ if( UNIX AND NOT APPLE )
   find_package(OpenSSL 1.1.1 REQUIRED)
   target_compile_definitions( airplay PUBLIC OPENSSL_API_COMPAT=0x10101000L )
   target_link_libraries( airplay OpenSSL::Crypto )
-  find_file( DNS_SD_H dns_sd.h PATHS /usr/include /usr/local/include )
+  find_file( DNS_SD_H dns_sd.h PATHS /usr/include/* /usr/local/include/* )
   if( NOT DNS_SD_H )
     message( FATAL_ERROR "(avahi_compat) did not find dns_sd.h" )
   endif()