diff --git a/debian/rules b/debian/rules
index f858f76..4a6ef34 100755
--- a/debian/rules
+++ b/debian/rules
@@ -16,7 +16,7 @@ DEB_HOST_ARCH_CPU  ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
 LLVM_VERSION = 19
 export PATH:=/usr/lib/llvm-$(LLVM_VERSION)/bin/:$(PATH)
 
-export DEB_BUILD_MAINT_OPTIONS=optimize=-lto
+export DEB_BUILD_MAINT_OPTIONS=optimize=+lto
 
 DEB_CFLAGS_MAINT_APPEND := -Wall
 DEB_CXXFLAGS_MAINT_APPEND := -Wall