diff --git a/src/gfx/pal_packing.cpp b/src/gfx/pal_packing.cpp
index 70dfdab5..ac5bb0d7 100644
--- a/src/gfx/pal_packing.cpp
+++ b/src/gfx/pal_packing.cpp
@@ -157,7 +157,7 @@ public:
 	void clear() { _assigned.clear(); }
 
 	bool empty() const {
-		return std::find_if_not(
+		return std::find_if(
 		           _assigned.begin(), _assigned.end(),
 		           [](std::optional<ProtoPalAttrs> const &slot) { return slot.has_value(); })
 		       == _assigned.end();