diff --git a/build/jam/BuildSetup b/build/jam/BuildSetup
index 93d79549ef..7d0bf6aaf9 100644
--- a/build/jam/BuildSetup
+++ b/build/jam/BuildSetup
@@ -730,7 +730,7 @@ if $(HOST_PLATFORM_BEOS_COMPATIBLE) {
 	# Supposing this is a glibc platform, let's try to get features like large
 	# file support, ISO C 99 definitions, etc. On some platforms we need to
 	# request 64 bit off_t support explicitely.
-	HOST_DEFINES += _GNU_SOURCE _FILE_OFFSET_BITS=64 ;
+	HOST_DEFINES += _GNU_SOURCE _FILE_OFFSET_BITS=64 __STDC_FORMAT_MACROS ;
 
 	# On Linux with xattr support we can use it for our attribute emulation,
 	# which is somewhat more robust.
diff --git a/src/tools/bfs_shell/Jamfile b/src/tools/bfs_shell/Jamfile
index 99a190fff5..83fbf51cbd 100644
--- a/src/tools/bfs_shell/Jamfile
+++ b/src/tools/bfs_shell/Jamfile
@@ -5,7 +5,6 @@ SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons kernel file_systems bfs ] ;
 # set some additional defines
 {
 	local defines =
-		__STDC_FORMAT_MACROS
 		#BFS_BIG_ENDIAN_ONLY
 		BFS_SHELL
 		;