diff --git a/tools/toolchain/dbuild b/tools/toolchain/dbuild
index 922da0ab6e..cb1db25835 100755
--- a/tools/toolchain/dbuild
+++ b/tools/toolchain/dbuild
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-docker run --sig-proxy=true --rm -u "$(id -u):$(id -g)" --cap-add SYS_PTRACE -v "$PWD:$PWD" -w "$PWD" "$(<tools/toolchain/image)" "$@"
+docker run --sig-proxy=true --rm -u "$(id -u):$(id -g)" --cap-add SYS_PTRACE -v "$PWD:$PWD" -v /tmp:/tmp -w "$PWD" "$(<tools/toolchain/image)" "$@"