diff --git a/kdump-lib.sh b/kdump-lib.sh
index a20c6e8..b9dec21 100755
--- a/kdump-lib.sh
+++ b/kdump-lib.sh
@@ -109,7 +109,7 @@ get_mntpoint_from_target()
 # get_option_value <option_name>
 # retrieves value of option defined in kdump.conf
 get_option_value() {
-    echo $(strip_comments `grep ^$1 /etc/kdump.conf | tail -1 | cut -d\  -f2-`)
+    echo $(strip_comments `grep "^$1[[:space:]]\+" /etc/kdump.conf | tail -1 | cut -d\  -f2-`)
 }
 
 #This function compose a absolute path with the mount