diff --git a/CMakeLists.txt b/CMakeLists.txt
index bd1259b30..82257c8a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,7 +49,7 @@ find_package(COLOR_DEBUG REQUIRED)
 find_package(AMOR_API QUIET)
 find_package(ARAVIS QUIET)
 find_package(Leap 2.3 EXACT QUIET)
-find_package(PCan 8.5 QUIET)
+find_package(PCan 8.5 EXACT QUIET)
 find_package(Phidgets 2.1 EXACT QUIET)
 find_package(PythonInterp 3.0 QUIET)
 find_package(Spnav QUIET)