diff --git a/flake.nix b/flake.nix
index b97ceb8..81f599f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,6 +40,7 @@
                 cmake --build build
               '';
 
+              doCheck = true;
               checkPhase = ''
                 cd build/tests
                 ctest .
@@ -59,6 +60,7 @@
                 cmake --build build
               '';
 
+              doCheck = true;
               checkPhase = ''
                 cd build/tests
                 ctest .
@@ -75,6 +77,7 @@
                 make
               '';
 
+              doCheck = true;
               checkPhase = ''
                 make test
               '';