diff --git a/src/components/config.cpp b/src/components/config.cpp
index a94aaee2..5be2c223 100644
--- a/src/components/config.cpp
+++ b/src/components/config.cpp
@@ -225,6 +225,10 @@ chrono::duration<double> config::convert(string&& value) const {
 
 template <>
 rgba config::convert(string&& value) const {
+  if (value.empty()) {
+    return rgba{};
+  }
+
   rgba ret{value};
 
   if (!ret.has_color()) {