diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3fdea6da3..7af133bad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 # Created by mastertheknife (Kfir Itzhak)
 # For more information and installation, see the INSTALL file
 #
-cmake_minimum_required(VERSION 3.5.0)
+cmake_minimum_required(VERSION 3.12)
 project(zoneminder)
 file(STRINGS "version.txt" zoneminder_VERSION)
 # make API version a minor of ZM version
@@ -832,11 +832,11 @@ message(STATUS "Enabled JWT backend: ${ZM_JWT_BACKEND}")
 
 # Run ZM configuration generator
 message(STATUS "Running ZoneMinder configuration generator")
-execute_process(COMMAND perl ${CMAKE_CURRENT_BINARY_DIR}/zmconfgen.pl RESULT_VARIABLE ZMCONFGEN_RESULT)
+execute_process(COMMAND "${PERL_EXECUTABLE}" ${CMAKE_CURRENT_BINARY_DIR}/zmconfgen.pl RESULT_VARIABLE ZMCONFGEN_RESULT)
 if(ZMCONFGEN_RESULT EQUAL 0)
   message(STATUS "ZoneMinder configuration generator completed successfully")
 else()
-  message(FATAL_ERROR "ZoneMinder configuration generator failed. Exit code: ${zmconfgen_result}")
+  message(FATAL_ERROR "ZoneMinder configuration generator failed. Exit code: ${ZMCONFGEN_RESULT}")
 endif()
 
 # Install zm.conf
@@ -847,7 +847,7 @@ install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/conf.d/" DESTINATION "${ZM_CONFIG
 configure_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
-  IMMEDIATE @ONLY)
+  @ONLY)
 add_custom_target(uninstall
   COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake)
 
diff --git a/cmake/Modules/ConfigureBaseTargets.cmake b/cmake/Modules/ConfigureBaseTargets.cmake
index ed86d35fc..9f78a43fb 100644
--- a/cmake/Modules/ConfigureBaseTargets.cmake
+++ b/cmake/Modules/ConfigureBaseTargets.cmake
@@ -5,16 +5,9 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 add_library(zm-feature-interface INTERFACE)
 
-# The cxx_std_* feature flags were only introduced in CMake 3.8
-# Use to old way to specify the required standard level for older CMake versions.
-# Remove this once we raise the required CMake version.
-if(${CMAKE_VERSION} VERSION_LESS 3.8.0)
-  set(CMAKE_CXX_STANDARD 11)
-else()
-  target_compile_features(zm-feature-interface
-    INTERFACE
-      cxx_std_11)
-endif()
+target_compile_features(zm-feature-interface
+  INTERFACE
+    cxx_std_11)
 
 # Interface to set warning levels on targets.
 # It gets populated in the compiler specific script.
diff --git a/onvif/modules/CMakeLists.txt b/onvif/modules/CMakeLists.txt
index 502970af9..7d2101ae9 100644
--- a/onvif/modules/CMakeLists.txt
+++ b/onvif/modules/CMakeLists.txt
@@ -9,7 +9,7 @@ endif()
 # MAKEMAKER_NOECHO_COMMAND previously defined in /scripts/zoneminder/CMakeLists.txt
 
 # Add build target for the perl modules
-add_custom_target(zmonvifmodules ALL perl Makefile.PL ${ZM_PERL_MM_PARMS_FULL} FIRST_MAKEFILE=MakefilePerl DESTDIR="${CMAKE_CURRENT_BINARY_DIR}/output" ${MAKEMAKER_NOECHO_COMMAND} COMMAND make -f MakefilePerl pure_install COMMENT "Building ZoneMinder perl ONVIF proxy module")
+add_custom_target(zmonvifmodules ALL "${PERL_EXECUTABLE}" Makefile.PL ${ZM_PERL_MM_PARMS_FULL} FIRST_MAKEFILE=MakefilePerl DESTDIR="${CMAKE_CURRENT_BINARY_DIR}/output" ${MAKEMAKER_NOECHO_COMMAND} COMMAND make -f MakefilePerl pure_install COMMENT "Building ZoneMinder perl ONVIF proxy module")
 
 # Add install target for the perl modules
 install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/output/" DESTINATION "/")
diff --git a/onvif/proxy/CMakeLists.txt b/onvif/proxy/CMakeLists.txt
index 779b4d47e..7b3779a9f 100644
--- a/onvif/proxy/CMakeLists.txt
+++ b/onvif/proxy/CMakeLists.txt
@@ -9,7 +9,7 @@ endif()
 # MAKEMAKER_NOECHO_COMMAND previously defined in /scripts/zoneminder/CMakeLists.txt
 
 # Add build target for the perl modules
-add_custom_target(zmonvifproxy ALL perl Makefile.PL ${ZM_PERL_MM_PARMS_FULL} FIRST_MAKEFILE=MakefilePerl DESTDIR=${CMAKE_CURRENT_BINARY_DIR}/output ${MAKEMAKER_NOECHO_COMMAND} COMMAND make -f MakefilePerl pure_install COMMENT "Building ZoneMinder perl ONVIF proxy module")
+add_custom_target(zmonvifproxy ALL "${PERL_EXECUTABLE}" Makefile.PL ${ZM_PERL_MM_PARMS_FULL} FIRST_MAKEFILE=MakefilePerl DESTDIR=${CMAKE_CURRENT_BINARY_DIR}/output ${MAKEMAKER_NOECHO_COMMAND} COMMAND make -f MakefilePerl pure_install COMMENT "Building ZoneMinder perl ONVIF proxy module")
 
 # Add install target for the perl modules
 install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/output/" DESTINATION "/")
diff --git a/scripts/ZoneMinder/CMakeLists.txt b/scripts/ZoneMinder/CMakeLists.txt
index 2a8708d2f..a97756fa2 100644
--- a/scripts/ZoneMinder/CMakeLists.txt
+++ b/scripts/ZoneMinder/CMakeLists.txt
@@ -25,7 +25,7 @@ else()
 endif()
 
 # Add build target for the perl modules
-add_custom_target(zmperlmodules ALL perl Makefile.PL ${ZM_PERL_MM_PARMS_FULL} FIRST_MAKEFILE=MakefilePerl DESTDIR="${CMAKE_CURRENT_BINARY_DIR}/output" ${MAKEMAKER_NOECHO_COMMAND} COMMAND make -f MakefilePerl pure_install COMMENT "Building ZoneMinder perl modules")
+add_custom_target(zmperlmodules ALL "${PERL_EXECUTABLE}" Makefile.PL ${ZM_PERL_MM_PARMS_FULL} FIRST_MAKEFILE=MakefilePerl DESTDIR="${CMAKE_CURRENT_BINARY_DIR}/output" ${MAKEMAKER_NOECHO_COMMAND} COMMAND make -f MakefilePerl pure_install COMMENT "Building ZoneMinder perl modules")
 
 # Add install target for the perl modules
 install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/output/" DESTINATION "/")