diff --git a/dcraw.spec b/dcraw.spec
index 0682588..86047f9 100644
--- a/dcraw.spec
+++ b/dcraw.spec
@@ -19,7 +19,7 @@ downloaded from digital cameras.
 %setup -q -n dcraw
 
 %build
-gcc %optflags -lm -ljpeg -llcms -DLOCALEDIR="%{_datadir}/locale" -o dcraw dcraw.c
+gcc %optflags -lm -ljpeg -llcms -DLOCALEDIR=\""%{_datadir}/locale"\" -o dcraw dcraw.c
 # build language catalogs
 for catsrc in dcraw_*.po; do
     lang="${catsrc%.po}"