diff --git a/src/blitter/factory.hpp b/src/blitter/factory.hpp
--- a/src/blitter/factory.hpp
+++ b/src/blitter/factory.hpp
@@ -120,7 +120,7 @@ public:
 #else
 		const char *default_blitter = "8bpp-optimized";
 #endif
-		if (GetBlitters().size() == 0) return nullptr;
+		if (GetBlitters().empty()) return nullptr;
 		const char *bname = name.empty() ? default_blitter : name.c_str();
 
 		for (auto &it : GetBlitters()) {