diff --git a/packages/journalctl-last-invocation/package.nix b/packages/journalctl-last-invocation/package.nix
index a34d229..b765eef 100644
--- a/packages/journalctl-last-invocation/package.nix
+++ b/packages/journalctl-last-invocation/package.nix
@@ -13,6 +13,8 @@ mkDerivation {
 	phases = [ "createSourcesPhase" "installPhase" ] ;
 
 	createSourcesPhase = ''
+		mkdir -p /build/source
+
 		cat <<- EOF > /build/source/journalctl-last-invocation
 			#!${bash}/bin/sh