diff --git a/debian/changelog b/debian/changelog
index 14056bf8..46cddf91 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ llvm-toolchain-19 (1:19.1.0~++rc4-3) UNRELEASED; urgency=medium
 
   * Consolidate disabling CMake's package validation checks a bit.
   * debian/qualify-clang.sh: Skip OpenMP test, if libomp-dev is not available.
+  * Disable CMake's package validation check for libLLVM.so.1.
 
  -- Matthias Klose <doko@debian.org>  Thu, 05 Sep 2024 10:59:19 +0200
 
diff --git a/debian/rules b/debian/rules
index e3d0160c..26a166cc 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1342,6 +1342,12 @@ endif
 	  -e '/_cmake_import_check_targets \(Polly\|sancov\|llvm-omp-device-info\|LibcTableGenUtil\|omptarget\|omp\)/ {s|^|#|}' \
 	  $(DEB_INST)/usr/lib/llvm-$(LLVM_VERSION)/lib/cmake/llvm/LLVMExports-*.cmake
 
+# the obscure libLLVM.so.1 file ...
+	sed -i \
+	  -e '/_cmake_import_check_targets LLVM/ {s|^|#|}' \
+	  -e '/_cmake_import_check_files_for_.*\/libLLVM\.so\.1.*/ {s|^|#|}' \
+	  $(DEB_INST)/usr/lib/llvm-$(LLVM_VERSION)/lib/cmake/llvm/LLVMExports-*.cmake
+
 # Also disable mlir-* checks in the cmake
 	sed -i \
 	  -e '/_cmake_import_check_targets \(mlir-\|MLIR\)/ {s|^|#|}' \