diff --git a/cmake/Findclang.cmake b/cmake/Findclang.cmake
index f67504068b82c6e757527ba58c9770738cc9354c..751cc5c824ac89d300c24b87876f2862496d006c 100644
--- a/cmake/Findclang.cmake
+++ b/cmake/Findclang.cmake
@@ -56,6 +56,6 @@ FIND_AND_ADD_CLANG_LIB(clangCrossTU)
 FIND_AND_ADD_CLANG_LIB(clangIndex)
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(CLANG DEFAULT_MSG CLANG_LIBRARIES CLANG_INCLUDE_DIRS)
+find_package_handle_standard_args(clang DEFAULT_MSG CLANG_LIBRARIES CLANG_INCLUDE_DIRS)
 
 mark_as_advanced(CLANG_INCLUDE_DIRS CLANG_LIBRARIES CLANG_LIBDIRS)
diff --git a/cmake/Findlld.cmake b/cmake/Findlld.cmake
index cab6f34b5702cac15f7d784220dbf837bf048468..4c69d51b240dd2c4b6796464f7e8da2bf8bfa121 100644
--- a/cmake/Findlld.cmake
+++ b/cmake/Findlld.cmake
@@ -47,6 +47,6 @@ else()
 endif()
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(LLD DEFAULT_MSG LLD_LIBRARIES LLD_INCLUDE_DIRS)
+find_package_handle_standard_args(lld DEFAULT_MSG LLD_LIBRARIES LLD_INCLUDE_DIRS)
 
 mark_as_advanced(LLD_INCLUDE_DIRS LLD_LIBRARIES)
diff --git a/cmake/Findllvm.cmake b/cmake/Findllvm.cmake
index 095593695d8582e35e5ed762521fe57dac73c2ae..c73ee9462ee71341363014ed675f3856dd8d01a9 100644
--- a/cmake/Findllvm.cmake
+++ b/cmake/Findllvm.cmake
@@ -120,6 +120,6 @@ link_directories("${CMAKE_PREFIX_PATH}/lib")
 link_directories("${LLVM_LIBDIRS}")
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(LLVM DEFAULT_MSG LLVM_LIBRARIES LLVM_INCLUDE_DIRS)
+find_package_handle_standard_args(llvm DEFAULT_MSG LLVM_LIBRARIES LLVM_INCLUDE_DIRS)
 
 mark_as_advanced(LLVM_INCLUDE_DIRS LLVM_LIBRARIES LLVM_LIBDIRS)