diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index cb45e79d3..4d3aeafd2 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -104,7 +104,7 @@ if(BUILD_TESTING)
 
   # Look for rpmbuild to use for tests.
   # The tool does not work with spaces in the path.
-  if (CMAKE_SYSTEM_NAME MATCHES "Linux" AND NOT CMAKE_CURRENT_BINARY_DIR MATCHES " ")
+  if(NOT CMAKE_CURRENT_BINARY_DIR MATCHES " ")
     find_program(RPMBUILD_EXECUTABLE NAMES rpmbuild)
   else()
     set(RPMBUILD_EXECUTABLE "RPMBUILD_EXECUTABLE-NOTFOUND")