diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index af1d0daba9..7d782c7ea6 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -3049,7 +3049,10 @@ queues, resource pools, strings, etc.
     (native-inputs (list googletest benchmark))
     (arguments
      (list #:configure-flags
-           #~(list "-DFTXUI_BUILD_TESTS:BOOL=ON"
+           #~(list (string-append "-DFTXUI_BUILD_TESTS:BOOL="
+                                  #$(if (%current-target-system)
+                                        "OFF"
+                                        "ON"))
                    "-DFTXUI_BUILD_TESTS_FUZZER:BOOL=OFF"
                    "-DBUILD_SHARED_LIBS=ON")))
     (home-page "https://github.com/ArthurSonzogni/FTXUI")