diff --git a/qubes-rpc/prepare-suspend b/qubes-rpc/prepare-suspend
index bf22344..8b89268 100755
--- a/qubes-rpc/prepare-suspend
+++ b/qubes-rpc/prepare-suspend
@@ -5,10 +5,10 @@ action=$1
 
 MODULES_BLACKLIST=""
 if [ -r /etc/qubes-suspend-module-blacklist ]; then
-    MODULES_BLACKLIST="$MODULES_BLACKLIST `cat /etc/qubes-suspend-module-blacklist`"
+    MODULES_BLACKLIST="$MODULES_BLACKLIST `grep -v '^#' /etc/qubes-suspend-module-blacklist`"
 fi
 if [ -r /rw/config/suspend-module-blacklist ]; then
-    MODULES_BLACKLIST="$MODULES_BLACKLIST `cat /rw/config/suspend-module-blacklist`"
+    MODULES_BLACKLIST="$MODULES_BLACKLIST `grep -v '^#' /rw/config/suspend-module-blacklist`"
 fi
 
 if [ x"$action" = x"suspend" ]; then