diff --git a/pkgs/development/compilers/llvm/20/libclc/use-default-paths.patch b/pkgs/development/compilers/llvm/20/libclc/use-default-paths.patch
index 2fbcf56426d6..364d503dbdc7 100644
--- a/pkgs/development/compilers/llvm/20/libclc/use-default-paths.patch
+++ b/pkgs/development/compilers/llvm/20/libclc/use-default-paths.patch
@@ -1,22 +1,22 @@
-From e8b910246d0c7c3d9fff994f71c6f8a48ec09a50 Mon Sep 17 00:00:00 2001
-From: Tristan Ross <tristan.ross@midstall.com>
-Date: Sat, 24 Aug 2024 19:56:24 -0700
-Subject: [PATCH] [libclc] use default paths with find_program when possible
-
----
- libclc/CMakeLists.txt | 4 ++--
- 1 file changed, 1 insertions(+), 1 deletions(-)
-
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 02bb859ae8590b..6bcd8ae52a5794 100644
+index b0e7aac6f8f3..af17e62588fe 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -55,7 +55,7 @@ if( LIBCLC_STANDALONE_BUILD OR CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DI
+@@ -57,7 +57,7 @@ if( LIBCLC_STANDALONE_BUILD OR CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DI
    # Import required tools
    if( NOT EXISTS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} )
      foreach( tool IN ITEMS clang llvm-as llvm-link opt )
 -      find_program( LLVM_TOOL_${tool} ${tool} PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )
-+      find_program( LLVM_TOOL_${tool} ${tool} PATHS ${LLVM_TOOLS_BINARY_DIR} )
++    find_program( LLVM_TOOL_${tool} ${tool} PATHS ${LLVM_TOOLS_BINARY_DIR} )
        set( ${tool}_exe ${LLVM_TOOL_${tool}} )
        set( ${tool}_target )
      endforeach()
+@@ -93,7 +93,7 @@ if( EXISTS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} )
+   # and custom tools.
+   foreach( tool IN ITEMS clang llvm-as llvm-link opt )
+     find_program( LLVM_CUSTOM_TOOL_${tool} ${tool}
+-      PATHS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )
++      PATHS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} )
+     set( ${tool}_exe ${LLVM_CUSTOM_TOOL_${tool}} )
+     set( ${tool}_target )
+   endforeach()
diff --git a/pkgs/development/compilers/llvm/common/patches.nix b/pkgs/development/compilers/llvm/common/patches.nix
index 75a3659228e8..b97f8af6eae2 100644
--- a/pkgs/development/compilers/llvm/common/patches.nix
+++ b/pkgs/development/compilers/llvm/common/patches.nix
@@ -92,6 +92,10 @@
     }
   ];
   "libclc/use-default-paths.patch" = [
+    {
+      after = "20";
+      path = ../20;
+    }
     {
       after = "19";
       before = "20";