diff --git a/CMakeLists.txt b/CMakeLists.txt
index d9c146f4b3..1331a4e5c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,9 +68,10 @@ target_link_libraries(kdeinit_kwin  ${KDE4_KDEUI_LIBS} kdecorations kwineffects
 if(OPENGL_FOUND)
   target_link_libraries(kdeinit_kwin ${OPENGL_gl_LIBRARY})
   # -ldl used by OpenGL code
-  if(NOT CMAKE_SYSTEM_NAME MATCHES BSD)
-    target_link_libraries(kdeinit_kwin -ldl)
-  endif(NOT CMAKE_SYSTEM_NAME MATCHES BSD)
+  find_library(DL_LIBRARY dl)
+  if (DL_LIBRARY)
+    target_link_libraries(kdeinit_kwin ${DL_LIBRARY})
+  endif(DL_LIBRARY)
 endif(OPENGL_FOUND)
 if (X11_Xrandr_FOUND)
   target_link_libraries(kdeinit_kwin ${X11_Xrandr_LIB})
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 0a240bc6b7..d5bfdd2885 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -40,9 +40,10 @@ install(TARGETS kwineffects DESTINATION ${LIB_INSTALL_DIR})
 if(OPENGL_FOUND)
   target_link_libraries(kwineffects ${OPENGL_gl_LIBRARY})
 # -ldl used by OpenGL code
-  if(NOT CMAKE_SYSTEM_NAME MATCHES BSD)
-    target_link_libraries(kwineffects -ldl)
-  endif(NOT CMAKE_SYSTEM_NAME MATCHES BSD)
+  find_library(DL_LIBRARY dl)
+  if (DL_LIBRARY)
+    target_link_libraries(kwineffects ${DL_LIBRARY})
+  endif(DL_LIBRARY)
 endif(OPENGL_FOUND)
 
 install( FILES kwinglobals.h kwineffects.h kwinglutils.h kwinglutils_funcs.h DESTINATION ${INCLUDE_INSTALL_DIR})