diff --git a/libc/cmake/modules/LLVMLibCTestRules.cmake b/libc/cmake/modules/LLVMLibCTestRules.cmake
index e1286b4ab9631..b6bd0ba60a74c 100644
--- a/libc/cmake/modules/LLVMLibCTestRules.cmake
+++ b/libc/cmake/modules/LLVMLibCTestRules.cmake
@@ -563,6 +563,7 @@ function(add_integration_test test_name)
   set(test_cmd
       ${INTEGRATION_TEST_ENV}
       $<$<BOOL:${LIBC_TARGET_ARCHITECTURE_IS_GPU}>:${gpu_loader_exe}>
+      ${CMAKE_CROSSCOMPILING_EMULATOR}
       ${INTEGRATION_TEST_LOADER_ARGS}
       $<TARGET_FILE:${fq_build_target_name}> ${INTEGRATION_TEST_ARGS})
   add_custom_target(
@@ -727,7 +728,7 @@ function(add_libc_hermetic_test test_name)
   endif()
 
   set(test_cmd ${HERMETIC_TEST_ENV}
-      $<$<BOOL:${LIBC_TARGET_ARCHITECTURE_IS_GPU}>:${gpu_loader_exe}> ${HERMETIC_TEST_LOADER_ARGS}
+      $<$<BOOL:${LIBC_TARGET_ARCHITECTURE_IS_GPU}>:${gpu_loader_exe}> ${CMAKE_CROSSCOMPILING_EMULATOR} ${HERMETIC_TEST_LOADER_ARGS}
       $<TARGET_FILE:${fq_build_target_name}> ${HERMETIC_TEST_ARGS})
   add_custom_target(
     ${fq_target_name}