diff --git a/nix/pkgs/prometheus-snmp-config/default.nix b/nix/pkgs/prometheus-snmp-config/default.nix
index b5588d1143..1b17aca21c 100644
--- a/nix/pkgs/prometheus-snmp-config/default.nix
+++ b/nix/pkgs/prometheus-snmp-config/default.nix
@@ -24,7 +24,7 @@ let
     version = "lukegb-${prometheus-snmp-exporter.version}";
 
     outputHashMode = "recursive";
-    outputHash = "sha256:1inp8wyp4slqdwxz9g5bq9m3736jq0mbdjgn4s8y25rsi104fd6a";
+    outputHash = "sha256:0i2cn5yxb2rnkg91wjmyzd5g2y3cr5yhfkbr9715kw5qk4rf73a0";
 
     buildInputs = [
       curl
@@ -46,6 +46,7 @@ let
 
     buildPhase = ''
       pushd $NIX_BUILD_TOP/build
+      mkdir mibs
       make CURL_OPTS="$CURL_OPTS"
 
       # Additional mibs...