diff --git a/FindSignalView.cmake b/FindSignalView.cmake
index c1e4168..32a8a88 100644
--- a/FindSignalView.cmake
+++ b/FindSignalView.cmake
@@ -4,7 +4,7 @@ if(NOT SIGNALVIEW_IS_EXTERNAL_PROJECT)
   set(SIGNALVIEW_LIBRARY_DIR "" CACHE PATH "The path to the library of an libsignalview installation")
 
   set(_search_paths "")
-  if(SIGNALVIEW_INLCUDE_DIR AND EXISTS ${SIGNALVIEW_INCLUDE_DIR})
+  if(SIGNALVIEW_INCLUDE_DIR AND EXISTS ${SIGNALVIEW_INCLUDE_DIR})
     list(APPEND _search_paths ${SIGNALVIEW_INCLUDE_DIR})
   endif()
   if(SIGNALVIEW_PREFIX AND EXISTS ${SIGNALVIEW_PREFIX})