diff --git a/Dockerfile b/Dockerfile
index 530ca7d..1229b75 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -120,7 +120,7 @@ RUN set -e; \
       mkdir -p /usr/lib/pkgconfig; \
       printf "prefix=/usr\nexec_prefix=\${prefix}\nlibdir=\${exec_prefix}/lib\nincludedir=\${prefix}/include\nName: libtalerutil\nDescription: Temporary stub for libtalerutil (will be replaced by build)\nVersion: 1.2.1\nLibs: -L\${libdir} -ltalerutil -lgnunetutil\nCflags: -I\${includedir}\n" > /usr/lib/pkgconfig/libtalerutil.pc; \
     fi; \
-    cd "${EXCHANGE_DIR}" && env GNUNET_PREFIX=/usr GIT_CONFIG_NOSYSTEM=1 GIT_DIR= GIT_WORK_TREE=. ./configure --prefix=/usr && make -j$(nproc) && make install; \
+    cd "${EXCHANGE_DIR}" && env GNUNET_PREFIX=/usr PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig GIT_CONFIG_NOSYSTEM=1 GIT_DIR= GIT_WORK_TREE=. ./configure --prefix=/usr && make -j$(nproc) && make install; \
     ldconfig; \
     # Merchant
     MERCHANT_DIR=""; MERCHANT_TAR=0; \