diff --git a/dev/buildbot/master/master.cfg b/dev/buildbot/master/master.cfg
index 88b48d48..4a17a39f 100644
--- a/dev/buildbot/master/master.cfg
+++ b/dev/buildbot/master/master.cfg
@@ -681,7 +681,7 @@ def cmake_slave(mod_name, platform, gitMode = 'incremental', install = True, cma
     else:
         factory.addStep(ShellCommand(command=' '.join(pre+["cmake", "--build", "."]+build_args), workdir = working_folder, haltOnFailure = True))
     if test:
-        factory.addStep(ShellCommand(command=["ctest", "--extra-verbose"] + ctest_args, workdir = working_folder, haltOnFailure = True))
+        factory.addStep(ShellCommand(command=["ctest", "--extra-verbose"] + ctest_args, workdir = working_folder, haltOnFailure = True, env = cmake_env))
     if install:
         factory.addStep(DirectoryUpload(slavesrc="install_root",masterdest=masterdestLocation,url="binaries",compress="bz2"))
         fixPermissions(factory)