diff --git a/Makefile b/Makefile
index f055d752..0ce032cb 100644
--- a/Makefile
+++ b/Makefile
@@ -66,7 +66,7 @@ CXXFLAGS-default = -std=c++2a -Wall -Wextra -pedantic -Wno-unused-parameter -Wno
 compiler != $(CXX) --version | grep -E -o 'clang|GCC' | head -1
 #CXXFLAGS-compiler-clang = -frelaxed-template-template-args -Wno-ambiguous-reversed-operator
 #CXXFLAGS-compiler-GCC = -Wno-init-list-lifetime
-CXXFLAGS-compiler-clang =
+CXXFLAGS-compiler-clang = -fsized-deallocation
 CXXFLAGS-compiler-GCC = -Wno-init-list-lifetime -Wno-stringop-overflow
 
 KAK_CPPFLAGS = \