diff --git a/nemo.spec b/nemo.spec
index e0fc3d5..d1f0357 100644
--- a/nemo.spec
+++ b/nemo.spec
@@ -17,7 +17,7 @@
 #
 
 # wise detect Tumbleweed
-%define gnome_common_ver %(rpm -q --qf '%%{VERSION}' gnome-common | sed 's/[^0-9]*3\.\([0-9]*\)\.[0-9]*/\1/') 
+%define gnome_common_ver %(rpm -q --qf '%%{VERSION}' gnome-common | sed 's/[^0-9]*3\\.\\([0-9]*\\)\\.[0-9]*/\\1/') 
 
 Name:		nemo
 Version:        2.0.1