diff --git a/master-nonlatent/master.cfg b/master-nonlatent/master.cfg
index 9b1302b1..14f79525 100644
--- a/master-nonlatent/master.cfg
+++ b/master-nonlatent/master.cfg
@@ -140,6 +140,16 @@ F_WINDOWS_ENV = {
 }
 F_WINDOWS_ENV.update(MTR_ENV)
 
+F_WINDOWS_ENV_WITHOUT_TEMP = {
+    "TMP": util.Interpolate(
+        "C:\\buildbot\\workers\\{0}\\%(prop:buildername)s\\build\\tmpdir".format(
+            "dev" if os.environ["ENVIRON"] == "DEV" else "prod"
+        )
+    ),
+}
+
+F_WINDOWS_ENV_WITHOUT_TEMP.update(MTR_ENV)
+
 ## f_windows
 f_windows = util.BuildFactory()
 f_windows.addStep(
@@ -374,7 +384,7 @@ f_windows_msi.addStep(
 f_windows_msi.addStep(
     steps.Compile(
         name="cmake",
-        env=F_WINDOWS_ENV,
+        env=F_WINDOWS_ENV_WITHOUT_TEMP,
         command=[
             "dojob",
             '"',
@@ -403,7 +413,7 @@ f_windows_msi.addStep(
 f_windows_msi.addStep(
     steps.Compile(
         name="compile",
-        env=F_WINDOWS_ENV,
+        env=F_WINDOWS_ENV_WITHOUT_TEMP,
         command=[
             "dojob",
             '"',
@@ -420,7 +430,7 @@ f_windows_msi.addStep(
 f_windows_msi.addStep(
     steps.Compile(
         name="package",
-        env=F_WINDOWS_ENV,
+        env=F_WINDOWS_ENV_WITHOUT_TEMP,
         command=[
             "dojob",
             '"',