diff --git a/Tests/RunCMake/CommandLine/RunCMakeTest.cmake b/Tests/RunCMake/CommandLine/RunCMakeTest.cmake
index 3622e64a45..313b579753 100644
--- a/Tests/RunCMake/CommandLine/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CommandLine/RunCMakeTest.cmake
@@ -196,7 +196,7 @@ function(run_Toolchain)
 set(CMAKE_SYSTEM_NAME Linux)
 set(toolchain_file binary_dir)
 ]=])
-  run_cmake_with_options(toolchain-valid-rel-build-path ${CMAKE_COMMAND} -S ${source_dir} -B ${binary_dir} --toolchain toolchain.cmake)
+  run_cmake_with_options(toolchain-valid-rel-build-path -S ${source_dir} -B ${binary_dir} --toolchain toolchain.cmake)
 endfunction()
 run_Toolchain()
 
diff --git a/Tests/RunCMake/CommandLine/toolchain-valid-rel-build-path-stderr.txt b/Tests/RunCMake/CommandLine/toolchain-valid-rel-build-path-stderr.txt
index 1980051662..047554673f 100644
--- a/Tests/RunCMake/CommandLine/toolchain-valid-rel-build-path-stderr.txt
+++ b/Tests/RunCMake/CommandLine/toolchain-valid-rel-build-path-stderr.txt
@@ -1 +1,2 @@
-^CMake Error.*binary_dir
+^CMake Error at CMakeLists.txt:[0-9] \(message\):
+  binary_dir$