--- source/darkplaces/BSDmakefile.orig	2015-01-17 02:24:24.000000000 +0300
+++ source/darkplaces/BSDmakefile	2015-01-17 02:26:51.000000000 +0300
@@ -158,7 +158,7 @@
 
 CFLAGS_MAKEDEP=-MD
 .ifdef DP_FS_BASEDIR
-CFLAGS_FS=-DDP_FS_BASEDIR='\"$(DP_FS_BASEDIR)\"'
+CFLAGS_FS=-DDP_FS_BASEDIR='\\\"$(DP_FS_BASEDIR)\\\"'
 .else
 CFLAGS_FS=
 .endif
