diff --git a/.travis.yml b/.travis.yml
index 9779c6d0a4..e206bc15f9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -436,7 +436,7 @@ jobs:
         # create build directory
         - mkdir build && cd build
         # configure Tulip complete build using cmake
-        - cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PWD/install -DPYTHON_EXECUTABLE=/usr/bin/python2.7 -DTULIP_BUILD_TESTS=ON -DTULIP_USE_CCACHE=ON -DZLIB_INCLUDE_DIR=/opt/local/include -DZLIB_LIBRARY_RELEASE=/opt/local/lib/libz.dylib -DPNG_INCLUDE_DIR=/opt/local/include -DPNG_LIBRARY_RELEASE=/opt/local/lib/libpng.dylib -DJPEG_INCLUDE_DIR=/opt/local/include -DJPEG_LIBRARY=/opt/local/lib/libjpeg.dylib || travis_terminate 1
+        - cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PWD/install -DPYTHON_EXECUTABLE=/usr/bin/python2.7 -DTULIP_BUILD_TESTS=ON -DTULIP_USE_CCACHE=ON -DZLIB_INCLUDE_DIR=/opt/local/include -DZLIB_LIBRARY_RELEASE=/opt/local/lib/libz.dylib -DPNG_INCLUDE_DIR=/opt/local/include -DPNG_LIBRARY_RELEASE=/opt/local/lib/libpng.dylib -DJPEG_INCLUDE_DIR=/opt/local/include -DJPEG_LIBRARY=/opt/local/lib/libjpeg.dylib -DGLEW_SHARED_LIBRARY_RELEASE=/opt/local/lib/libGLEW.dylib || travis_terminate 1
         # compile Tulip using ninja for faster builds
         - ninja -j4 || travis_terminate 1
         - ninja -j4 install || travis_terminate 1
@@ -488,7 +488,7 @@ jobs:
         # create build directory
         - mkdir build && cd build
         # configure Tulip complete build using cmake
-        - cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PWD/install -DCMAKE_C_COMPILER=/opt/local/bin/clang-mp-8.0 -DCMAKE_CXX_COMPILER=/opt/local/bin/clang++-mp-8.0 -DPYTHON_EXECUTABLE=/usr/bin/python2.7 -DTULIP_BUILD_TESTS=ON -DTULIP_USE_CCACHE=ON -DZLIB_INCLUDE_DIR=/opt/local/include -DZLIB_LIBRARY_RELEASE=/opt/local/lib/libz.dylib -DPNG_INCLUDE_DIR=/opt/local/include -DPNG_LIBRARY_RELEASE=/opt/local/lib/libpng.dylib -DJPEG_INCLUDE_DIR=/opt/local/include -DJPEG_LIBRARY=/opt/local/lib/libjpeg.dylib
+        - cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PWD/install -DCMAKE_C_COMPILER=/opt/local/bin/clang-mp-8.0 -DCMAKE_CXX_COMPILER=/opt/local/bin/clang++-mp-8.0 -DPYTHON_EXECUTABLE=/usr/bin/python2.7 -DTULIP_BUILD_TESTS=ON -DTULIP_USE_CCACHE=ON -DZLIB_INCLUDE_DIR=/opt/local/include -DZLIB_LIBRARY_RELEASE=/opt/local/lib/libz.dylib -DPNG_INCLUDE_DIR=/opt/local/include -DPNG_LIBRARY_RELEASE=/opt/local/lib/libpng.dylib -DJPEG_INCLUDE_DIR=/opt/local/include -DJPEG_LIBRARY=/opt/local/lib/libjpeg.dylib -DGLEW_SHARED_LIBRARY_RELEASE=/opt/local/lib/libGLEW.dylib
         # compile Tulip using ninja for faster builds
         - ninja -j4
         - ninja -j4 install
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e24ff47e65..23ea1cfa94 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -308,10 +308,14 @@ IF(NOT TULIP_BUILD_CORE_ONLY)
   # Glew
   FIND_PACKAGE(GLEW REQUIRED)
   # if needed, when using cmake 3.15, define some undefined glew variables
-  IF(NOT ${CMAKE_VERSION} VERSION_LESS "3.15.0" AND NOT GLEW_INCLUDE_DIR)
-    GET_TARGET_PROPERTY(GLEW_INCLUDE_DIR GLEW::GLEW INTERFACE_INCLUDE_DIRECTORIES)
-    SET(GLEW_LIBRARY GLEW::GLEW)
-  ENDIF(NOT ${CMAKE_VERSION} VERSION_LESS "3.15.0" AND NOT GLEW_INCLUDE_DIR)
+  IF(NOT ${CMAKE_VERSION} VERSION_LESS "3.15.0")
+    IF(NOT GLEW_INCLUDE_DIR)
+      GET_TARGET_PROPERTY(GLEW_INCLUDE_DIR GLEW::GLEW INTERFACE_INCLUDE_DIRECTORIES)
+    ENDIF(NOT GLEW_INCLUDE_DIR)
+    IF(NOT GLEW_LIBRARY)
+      SET(GLEW_LIBRARY GLEW::GLEW)
+    ENDIF(NOT GLEW_LIBRARY)
+  ENDIF(NOT ${CMAKE_VERSION} VERSION_LESS "3.15.0")
 
   # Jpeg
   FIND_PACKAGE(JPEG REQUIRED)