diff --git a/srcpkgs/tlsh/patches/fix-cflags.patch b/srcpkgs/tlsh/patches/fix-cflags.patch
new file mode 100644
index 00000000000..8715563715c
--- /dev/null
+++ b/srcpkgs/tlsh/patches/fix-cflags.patch
@@ -0,0 +1,13 @@
+Index: CMakeLists.txt
+===================================================================
+--- CMakeLists.txt.orig
++++ CMakeLists.txt
+@@ -125,7 +125,7 @@ if (CMAKE_BUILD_TYPE STREQUAL Debug)
+     endif()
+ else(CMAKE_BUILD_TYPE STREQUAL Debug)
+     if(CMAKE_COMPILER_IS_GNUCXX)
+-        set(CMAKE_CXX_FLAGS "-O2 -fvisibility=internal")  ## Remove TlshImpl symbols
++        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=internal")  ## Remove TlshImpl symbols
+     endif()
+     if(MSVC)
+         set(CMAKE_CXX_FLAGS "/O2")        ## Optimize
diff --git a/srcpkgs/tlsh/template b/srcpkgs/tlsh/template
index 1f96834107c..4ee1ccdc728 100644
--- a/srcpkgs/tlsh/template
+++ b/srcpkgs/tlsh/template
@@ -1,7 +1,7 @@
 # Template file for 'tlsh'
 pkgname=tlsh
 version=3.19.1
-revision=1
+revision=2
 build_style=cmake
 hostmakedepends="python3"
 makedepends="python3-devel"