diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e10776e..ee0835ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -357,12 +357,6 @@ else()
     set (OPENSSL_LIBS ${lib_ssl} ${lib_crypto})
 endif()
 
-
-# Check we have the *required* Qt5 libs.
-find_package(Qt5Core REQUIRED)
-find_package(Qt5Network REQUIRED)
-find_package(Qt5Widgets REQUIRED)
-
 #
 # Configure_file... but for directories, recursively.
 #
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 4988fe6a..f29fd910 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.4)
 
-find_package (Qt5 COMPONENTS Core Widgets Network)
+find_package (Qt5 REQUIRED COMPONENTS Core Widgets Network)
 set (CMAKE_AUTOMOC ON)
 set (CMAKE_AUTORCC ON)
 set (CMAKE_AUTOUIC ON)