diff --git a/CMakeExternals/DCMTK.patch b/CMakeExternals/DCMTK.patch
index 39d3e21711..ea14821a6e 100644
--- a/CMakeExternals/DCMTK.patch
+++ b/CMakeExternals/DCMTK.patch
@@ -1,56 +1,56 @@
 diff --git a/CMake/GenerateDCMTKConfigure.cmake b/CMake/GenerateDCMTKConfigure.cmake
 index c936b4d..d82781b 100644
 --- a/CMake/GenerateDCMTKConfigure.cmake
 +++ b/CMake/GenerateDCMTKConfigure.cmake
 @@ -548,6 +548,30 @@ ENDIF(DCMTK_WITH_OPENSSL)
  INCLUDE(${DCMTK_CMAKE_INCLUDE}CMake/dcmtkTryCompile.cmake)
  INCLUDE(${DCMTK_CMAKE_INCLUDE}CMake/dcmtkTryRun.cmake)
 
 +IF(NOT HAVE_PROTOTYPE_STD__ISINF)
 +  unset(HAVE_PROTOTYPE_STD__ISINF CACHE)
 +  DCMTK_TRY_COMPILE(HAVE_PROTOTYPE_STD__ISINF "std::isinf is provided as function template"
 +    "#include <cmath>
 +
 +    int main()
 +    {
 +      std::isinf(0.0);
 +      return 0;
 +    }")
 +ENDIF(NOT HAVE_PROTOTYPE_STD__ISINF)
 +
 +IF(NOT HAVE_PROTOTYPE_STD__ISNAN)
 +  unset(HAVE_PROTOTYPE_STD__ISNAN CACHE)
 +  DCMTK_TRY_COMPILE(HAVE_PROTOTYPE_STD__ISNAN "std::isnan is provided as function template"
 +    "#include <cmath>
 +
 +    int main()
 +    {
 +      std::isnan(0.0);
 +      return 0;
 +    }")
 +ENDIF(NOT HAVE_PROTOTYPE_STD__ISNAN)
 +
  IF(NOT DEFINED C_CHAR_UNSIGNED)
    MESSAGE(STATUS "Checking signedness of char")
    DCMTK_TRY_RUN(C_CHAR_SIGNED C_CHAR_SIGNED_COMPILED ${CMAKE_BINARY_DIR}/CMakeTmp/Char
 
 diff --git a/DCMTKConfig.cmake.in b/DCMTKConfig.cmake.in
 index 89188d2..b77a856 100644
 --- a/CMake/DCMTKConfig.cmake.in
-+++ b/Cmake/DCMTKConfig.cmake.in
++++ b/CMake/DCMTKConfig.cmake.in
 @@ -33,8 +33,15 @@ SET(DCMTK_OVERWRITE_WIN32_COMPILER_FLAGS @DCMTK_OVERWRITE_WIN32_COMPILER_FLAGS@)
  SET(DCMTK_WIDE_CHAR_FILE_IO_FUNCTIONS @DCMTK_WIDE_CHAR_FILE_IO_FUNCTIONS@)
  SET(DCMTK_WIDE_CHAR_MAIN_FUNCTION @DCMTK_WIDE_CHAR_MAIN_FUNCTION@)
 
 +@DCMTK_INCLUDE_DIR_CONFIGS@
 +
  SET_AND_CHECK(DCMTK_TARGETS "@PACKAGE_DCMTK_CMKDIR_CONFIG@/DCMTKTargets.cmake")
 
 +SET(DCMTK_INCLUDE_DIRS "")
 +FOREACH(module config ${DCMTK_MODULES})
 +  LIST(APPEND DCMTK_INCLUDE_DIRS ${DCMTK_${module}_INCLUDE_DIR})
 +ENDFOREACH(module)
 +
  @DCMTK_CONFIG_CODE@
 
  # Compatibility: This variable is deprecated