diff --git a/3rdparty/libjpeg/CMakeLists.txt b/3rdparty/libjpeg/CMakeLists.txt
index 02d71ade2..25800b66d 100644
--- a/3rdparty/libjpeg/CMakeLists.txt
+++ b/3rdparty/libjpeg/CMakeLists.txt
@@ -26,7 +26,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 endif()
 
 ocv_warnings_disable(CMAKE_C_FLAGS -Wcast-align -Wshadow -Wunused)
-ocv_warnings_disable(CMAKE_C_FLAGS -Wunused-parameter) # clang
+ocv_warnings_disable(CMAKE_C_FLAGS -Wunused-parameter -Wshift-negative-value) # clang
 
 set_target_properties(${JPEG_LIBRARY}
   PROPERTIES OUTPUT_NAME ${JPEG_LIBRARY}
diff --git a/3rdparty/zlib/CMakeLists.txt b/3rdparty/zlib/CMakeLists.txt
index 853571ef4..bd37e0aba 100644
--- a/3rdparty/zlib/CMakeLists.txt
+++ b/3rdparty/zlib/CMakeLists.txt
@@ -82,7 +82,7 @@ if(UNIX)
   endif()
 endif()
 
-ocv_warnings_disable(CMAKE_C_FLAGS -Wshorten-64-to-32 -Wattributes -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations)
+ocv_warnings_disable(CMAKE_C_FLAGS -Wshorten-64-to-32 -Wattributes -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wshift-negative-value)
 
 set_target_properties(${ZLIB_LIBRARY} PROPERTIES
         OUTPUT_NAME ${ZLIB_LIBRARY}