diff --git a/CMakeLists.txt b/CMakeLists.txt
index e421eeee7..b4066e662 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -399,7 +399,7 @@ else()
     find_package(Codec2)
     find_package(CM256cc)
     find_package(LibMbe)
-    find_package(SerialDV)
+    find_package(SerialDV REQUIRED)
     find_package(LibDSDcc)
     find_package(Sgp4)
     find_package(AptDec)