diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,15 +65,16 @@
 endif()
 
 if(NOT WIN32)
-  find_program(BASH_EXE bash)
-  if (BASH_EXE)
-      file(GLOB_RECURSE SVGS "*.svg")
-      add_custom_target(breeze-validate-svg ALL
-          COMMAND ${BASH_EXE} ${CMAKE_SOURCE_DIR}/validate_svg.sh
-          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-          SOURCES ${SVGS}
-      )
-  endif()
+    find_program(SH_EXE sh)
+    find_program(XMLLINT_EXE xmllint)
+    if(SH_EXE AND XMLLINT_EXE)
+        file(GLOB_RECURSE SVGS "*.svg")
+        add_custom_target(breeze-validate-svg ALL
+            COMMAND ${SH_EXE} ${CMAKE_SOURCE_DIR}/validate_svg.sh
+            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+            SOURCES ${SVGS}
+        )
+    endif()
 endif()
 
 add_subdirectory(autotests)
diff --git a/icons-dark/light2Dark b/icons-dark/light2Dark
--- a/icons-dark/light2Dark
+++ b/icons-dark/light2Dark
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # convert light colors to breeze-dark colors
 
 find -name "*.svg" -o -name "*.SVG" | while read i;
diff --git a/validate_svg.sh b/validate_svg.sh
--- a/validate_svg.sh
+++ b/validate_svg.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 find . -name '*.svg' -exec xmllint --noout {} + 2> xmlerrors
 if [ -s xmlerrors ]; then