diff --git a/libsrc/csg/CMakeLists.txt b/libsrc/csg/CMakeLists.txt
index eaf7dffc..98475096 100644
--- a/libsrc/csg/CMakeLists.txt
+++ b/libsrc/csg/CMakeLists.txt
@@ -12,7 +12,9 @@ if(APPLE)
 endif(APPLE)
 
 target_link_libraries(csg PUBLIC mesh ${PYTHON_LIBRARIES})
-install( TARGETS csg ${NG_INSTALL_DIR})
+if(NOT WIN32)
+  install( TARGETS csg ${NG_INSTALL_DIR})
+endif(NOT WIN32)
 
 target_link_libraries(csg PUBLIC ngcore)
 
diff --git a/libsrc/geom2d/CMakeLists.txt b/libsrc/geom2d/CMakeLists.txt
index 43c619a0..395141e5 100644
--- a/libsrc/geom2d/CMakeLists.txt
+++ b/libsrc/geom2d/CMakeLists.txt
@@ -5,7 +5,9 @@ if(APPLE)
 endif(APPLE)
 
 target_link_libraries(geom2d mesh ${PYTHON_LIBRARIES})
-install( TARGETS geom2d ${NG_INSTALL_DIR})
+if(NOT WIN32)
+  install( TARGETS geom2d ${NG_INSTALL_DIR})
+endif(NOT WIN32)
 
 target_link_libraries(geom2d ngcore)
 
diff --git a/libsrc/interface/CMakeLists.txt b/libsrc/interface/CMakeLists.txt
index afd301d9..d27061b1 100644
--- a/libsrc/interface/CMakeLists.txt
+++ b/libsrc/interface/CMakeLists.txt
@@ -9,7 +9,9 @@ add_library(interface ${NG_LIB_TYPE}
 
 target_link_libraries(interface mesh csg geom2d)
 target_link_libraries(interface visual)
-install( TARGETS interface ${NG_INSTALL_DIR})
+if(NOT WIN32)
+  install( TARGETS interface ${NG_INSTALL_DIR})
+endif(NOT WIN32)
 
 install(FILES
   writeuser.hpp
diff --git a/libsrc/meshing/CMakeLists.txt b/libsrc/meshing/CMakeLists.txt
index 12fe70ae..f1e9ee86 100644
--- a/libsrc/meshing/CMakeLists.txt
+++ b/libsrc/meshing/CMakeLists.txt
@@ -24,7 +24,9 @@ endif(APPLE)
 target_link_libraries( mesh PUBLIC ngcore PRIVATE gprim la gen )
 
 target_link_libraries( mesh PUBLIC ${ZLIB_LIBRARIES} ${MPI_CXX_LIBRARIES} ${PYTHON_LIBRARIES} ${METIS_LIBRARY})
-install( TARGETS mesh ${NG_INSTALL_DIR})
+if(NOT WIN32)
+  install( TARGETS mesh ${NG_INSTALL_DIR})
+endif(NOT WIN32)
 
 install(FILES
   adfront2.hpp adfront3.hpp basegeom.hpp bcfunctions.hpp bisect.hpp