diff --git a/Dockerfile b/Dockerfile
index 6df29ec..44915ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,15 +15,13 @@ RUN git clone https://github.com/pierotofy/LAStools /staging/LAStools && \
 	mkdir build && \
 	cd build && \
 	cmake -DCMAKE_BUILD_TYPE=Release .. && \
-	make && \
-	make install && \
-	ldconfig
+	make
 
 RUN git clone https://github.com/pierotofy/PotreeConverter /staging/PotreeConverter
 RUN cd /staging/PotreeConverter && \
 	mkdir build && \
 	cd build && \
-	cmake -DCMAKE_BUILD_TYPE=Release -DLASZIP_INCLUDE_DIRS=/staging/LAStools/LASzip/dll -DLASZIP_LIBRARY=/staging/LAStools/LASzip/build/src/liblaszip.so .. && \
+	cmake -DCMAKE_BUILD_TYPE=Release -DLASZIP_INCLUDE_DIRS=/staging/LAStools/LASzip/dll -DLASZIP_LIBRARY=/staging/LAStools/LASzip/build/src/liblaszip.a .. && \
 	make && \
 	make install
 
diff --git a/README.md b/README.md
index ff81aee..793f3c8 100644
--- a/README.md
+++ b/README.md
@@ -49,15 +49,14 @@ cd LAStools/LASzip
 mkdir build
 cd build
 cmake -DCMAKE_BUILD_TYPE=Release ..
-sudo make && sudo make install
-sudo ldconfig
+make
 
 git clone https://github.com/pierotofy/PotreeConverter /staging/PotreeConverter
 cd /staging/PotreeConverter
 mkdir build
 cd build
-cmake -DCMAKE_BUILD_TYPE=Release -DLASZIP_INCLUDE_DIRS=/staging/LAStools/LASzip/dll -DLASZIP_LIBRARY=/staging/LAStools/LASzip/build/src/liblaszip.so ..
-sudo make && sudo make install
+cmake -DCMAKE_BUILD_TYPE=Release -DLASZIP_INCLUDE_DIRS=/staging/LAStools/LASzip/dll -DLASZIP_LIBRARY=/staging/LAStools/LASzip/build/src/liblaszip.a ..
+make && sudo make install
 ```
 2) Install gdal2tiles.py script, node.js and npm dependencies