diff --git a/CMakeLists.txt b/CMakeLists.txt
index dad7f5ae8..95dea3cce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,5 +17,8 @@ PROJECT(CPPCHECK)
 ADD_SUBDIRECTORY(lib)
 ADD_SUBDIRECTORY(cli)
 ADD_SUBDIRECTORY(test)
-ADD_SUBDIRECTORY(gui)
 
+# Don't build GUI for Cygwin (most installations don't have QT)
+IF (NOT CYGWIN)
+  ADD_SUBDIRECTORY(gui)
+endif (NOT CYGWIN)