diff --git a/wscript b/wscript
index 371f214691..f2fa3acd18 100644
--- a/wscript
+++ b/wscript
@@ -301,7 +301,9 @@ def set_compiler_flags (conf,opt):
 	#
 
 	conf.env.append_value('CCFLAGS', [ '-D_LARGEFILE64_SOURCE', '-D_LARGEFILE_SOURCE' ])
+	conf.env.append_value('CCFLAGS', [ '-D_FILE_OFFSET_BITS=64', '-D_FILE_OFFSET_BITS=64' ])
 	conf.env.append_value('CXXFLAGS', [ '-D_LARGEFILE64_SOURCE', '-D_LARGEFILE_SOURCE' ])
+	conf.env.append_value('CXXFLAGS', [ '-D_FILE_OFFSET_BITS=64', '-D_FILE_OFFSET_BITS=64' ])
 	if opt.nls:
 		conf.env.append_value('CXXFLAGS', '-DENABLE_NLS')
 		conf.env.append_value('CCFLAGS', '-DENABLE_NLS')