diff --git a/src/plugins/projectexplorer/buildconfiguration.cpp b/src/plugins/projectexplorer/buildconfiguration.cpp
index ec3cf9894f9..3464c033f64 100644
--- a/src/plugins/projectexplorer/buildconfiguration.cpp
+++ b/src/plugins/projectexplorer/buildconfiguration.cpp
@@ -104,9 +104,12 @@ void BuildConfiguration::ctor()
     expander->registerVariable("buildDir", tr("Build directory"),
             [this] { return buildDirectory().toUserOutput(); });
 
-    expander->registerVariable(Constants::VAR_CURRENTBUILD_NAME,
-            QCoreApplication::translate("ProjectExplorer", "Name of current build"),
+    expander->registerVariable(Constants::VAR_CURRENTBUILD_NAME, tr("Name of current build"),
             [this] { return displayName(); }, false);
+
+    expander->registerPrefix(Constants::VAR_CURRENTBUILD_ENV,
+                             tr("Variables in the current build environment"),
+                             [this](const QString &var) { return environment().value(var); });
 }
 
 Utils::FileName BuildConfiguration::buildDirectory() const
diff --git a/src/plugins/projectexplorer/projectexplorerconstants.h b/src/plugins/projectexplorer/projectexplorerconstants.h
index dab1f51f25c..c1c078b6082 100644
--- a/src/plugins/projectexplorer/projectexplorerconstants.h
+++ b/src/plugins/projectexplorer/projectexplorerconstants.h
@@ -244,6 +244,7 @@ const char VAR_CURRENTKIT_FILESYSTEMNAME[] = "CurrentKit:FileSystemName";
 const char VAR_CURRENTKIT_ID[] = "CurrentKit:Id";
 const char VAR_CURRENTBUILD_NAME[] = "CurrentBuild:Name";
 const char VAR_CURRENTBUILD_TYPE[] = "CurrentBuild:Type";
+const char VAR_CURRENTBUILD_ENV[] = "CurrentBuild:Env";
 const char VAR_CURRENTRUN_NAME[] = "CurrentRun:Name";
 const char VAR_CURRENTRUN_EXECUTABLE_PREFIX[] = "CurrentRun:Executable";
 const char VAR_CURRENTDEVICE_HOSTADDRESS[] = "CurrentDevice:HostAddress";