diff --git a/debian/patches/005-add-fortify-flags-for-subprojects.patch b/debian/patches/005-add-fortify-flags-for-subprojects.patch
new file mode 100644
index 0000000..2b29f5e
--- /dev/null
+++ b/debian/patches/005-add-fortify-flags-for-subprojects.patch
@@ -0,0 +1,18 @@
+Description: Add FORTIFY_SOURCE flag directly in Makefile
+ The flag, otherwise, doesn't seem to propogate correctly to all
+ modules built by the project. Use 'checksec' and 'hardening-check'
+ for verifying fortification on binaries.
+Author: Alan M Varghese
+Last-Update: 2024-06-20
+Forwarded: not-needed
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -92,7 +92,7 @@
+ add_compile_definitions(WLR_USE_UNSTABLE)
+ add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value
+     -Wno-missing-field-initializers -Wno-narrowing -Wno-pointer-arith
+-    -fmacro-prefix-map=${CMAKE_SOURCE_DIR}/=)
++    -fmacro-prefix-map=${CMAKE_SOURCE_DIR}/= -D_FORTIFY_SOURCE=2)
+ 
+ set(CMAKE_EXECUTABLE_ENABLE_EXPORTS TRUE)
+ set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
diff --git a/debian/patches/series b/debian/patches/series
index a281505..033a08d 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -2,3 +2,4 @@
 002-use-system-udis86.patch
 003-use-system-hyprland-protocols.patch
 004-fix-hyprland-symlink.patch
+005-add-fortify-flags-for-subprojects.patch