diff --git a/Dockerfile b/Dockerfile
index 0a32cef..092fd3a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,10 +36,11 @@ RUN cd ~ && git clone --depth 1 'https://code.videolan.org/videolan/x264.git' &&
     && ./configure --disable-cli --enable-strip --enable-pic --enable-shared --disable-static --prefix=/clib \
     && make -j$(grep -c ^processor /proc/cpuinfo) && make install \
     && cd ~ && rm -rf x264
-RUN cd ~ && git clone --depth 1 'https://git.ffmpeg.org/ffmpeg.git' && cd ffmpeg \
+RUN export PKG_CONFIG_PATH=/clib/lib/pkgconfig \
+    && cd ~ && git clone --depth 1 'https://git.ffmpeg.org/ffmpeg.git' && cd ffmpeg \
     && ./configure --enable-shared --disable-static --enable-gpl --enable-version3 --enable-libx264 --prefix=/clib \
     && make -j$(grep -c ^processor /proc/cpuinfo) && make install \
-    && cd ~ && rm -rf ffmpeg
+    && cd ~ && rm -rf ffmpeg || cat ffbuild/config.log && exit 1
 WORKDIR /app
 COPY . /app
 RUN export PKG_CONFIG_PATH=/clib/lib/pkgconfig \