diff --git a/Dockerfile b/Dockerfile
index 2730b507..45fa0528 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -72,7 +72,8 @@ RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/app/target \
     set -eux; \
     \
-    [ -e payments-contracts/src/contracts/mod.rs ] || touch payments-contracts/build.rs; \
+    ls -la; \
+    [ -e payments-contracts/src/contracts/mod.rs ] || touch ./payments-contracts/build.rs; \
     cargo --locked --verbose fetch
 
 # build tests (done its in own FROM so that it can run in parallel)
@@ -87,7 +88,8 @@ RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/app/target \
     set -eux; \
     \
-    [ -e payments-contracts/src/contracts/mod.rs ] || touch payments-contracts/build.rs; \
+    ls -la; \
+    [ -e payments-contracts/src/contracts/mod.rs ] || touch ./payments-contracts/build.rs; \
     RUST_LOG=web3_proxy=trace,info \
     cargo \
     --frozen \
@@ -108,7 +110,8 @@ RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/app/target \
     set -eux; \
     \
-    [ -e payments-contracts/src/contracts/mod.rs ] || touch payments-contracts/build.rs; \
+    ls -la; \
+    [ -e payments-contracts/src/contracts/mod.rs ] || touch ./payments-contracts/build.rs; \
     cargo install \
     --features "$WEB3_PROXY_FEATURES" \
     --frozen \