diff --git a/linux.d/debian b/linux.d/debian
index 796f2ab10..1c299cba3 100644
--- a/linux.d/debian
+++ b/linux.d/debian
@@ -1,4 +1,4 @@
-FOUND_GTK3=$(dpkg -l libgtk* | grep gtk-3)
+FOUND_GTK3=$(dpkg -l libgtk* | grep gtk-3 || echo '')
 
 REQUIRED_DEV_PACKAGES=(
     autoconf