diff --git a/CMakeLists.txt b/CMakeLists.txt
index e03fcb2..b10c423 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,7 +126,7 @@ endif ()
 find_package (ZLIB 1.2 QUIET)
 find_package (GnuBarcode 0.98 QUIET)
 find_package (LibQrencode 3.4 QUIET)
-find_package (LibZint 2.6 QUIET)
+find_package (LibZint 2.6 EXACT QUIET)
 # Unit testing support
 find_package (Qt5Test 5.4 QUIET)