diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index 50bb9e6e..0cecfb05 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -68,11 +68,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 // We know some environments not to support full POSIX signals
 #if defined(__CYGWIN__) || defined(__QNX__) || defined(__EMSCRIPTEN__)
-
-#   if !defined(CATCH_CONFIG_POSIX_SIGNALS)
-#       define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
-#   endif
-
+    #define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
 #endif
 
 #ifdef __OS400__