diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,12 +42,12 @@
 include_directories(${AvogadroLibs_INCLUDE_DIRS})
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS
-    Widgets
-    Script
     Core
     Gui
-    OpenGL
+    Script
     Svg
+    Widgets
+    Xml
 )
 
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
@@ -92,6 +92,7 @@
 endif(MSVC)
 
 if (OPENBABEL2_FOUND AND AvogadroLibs_FOUND AND EIGEN3_FOUND)
+  find_package(Qt5OpenGL ${QT_MIN_VERSION} REQUIRED)
   find_package(KF5NewStuff REQUIRED)
   # avoid compilerwarnings about redefinitions
   # todo: use check_function_exits() ?
diff --git a/compoundviewer/CMakeLists.txt b/compoundviewer/CMakeLists.txt
--- a/compoundviewer/CMakeLists.txt
+++ b/compoundviewer/CMakeLists.txt
@@ -1,7 +1,7 @@
 include_directories(
     ${CMAKE_CURRENT_BINARY_DIR}/..
     ${EIGEN3_INCLUDE_DIR}
-    ${OPENBABEL2_INCLUDE_DIR} ${OPENGL_INCLUDE_DIRS}
+    ${OPENBABEL2_INCLUDE_DIR}
     ${AvogadroLibs_INCLUDE_DIRS}
     ${PROJECT_SOURCE_DIR}/compoundviewer
 )
@@ -21,6 +21,7 @@
     KF5::CoreAddons
     Qt5::OpenGL
     Qt5::Gui
+    Qt5::Widgets
     ${OPENBABEL2_LIBRARIES}
     AvogadroQtGui
     AvogadroQtOpenGL
diff --git a/libscience/CMakeLists.txt b/libscience/CMakeLists.txt
--- a/libscience/CMakeLists.txt
+++ b/libscience/CMakeLists.txt
@@ -16,7 +16,7 @@
 
 add_library(science SHARED ${science_LIB_SRCS})
 
-target_link_libraries(science Qt5::OpenGL Qt5::Xml KF5::UnitConversion KF5::WidgetsAddons KF5::I18n)
+target_link_libraries(science Qt5::Xml KF5::UnitConversion KF5::WidgetsAddons KF5::I18n)
 set_target_properties(science PROPERTIES VERSION ${KALZIUMLIB_VERSION} SOVERSION ${KALZIUMLIB_SOVERSION} )
 install(TARGETS science  ${INSTALL_TARGETS_DEFAULT_ARGS})