diff --git a/src/common/Platform_mac.cpp b/src/common/Platform_mac.cpp
index d0c533b0..c974d90d 100644
--- a/src/common/Platform_mac.cpp
+++ b/src/common/Platform_mac.cpp
@@ -46,9 +46,16 @@ char *Platform::createUserAgent()
 
 #   ifdef XMRIG_NVIDIA_PROJECT
     const int cudaVersion = cuda_get_runtime_version();
-    snprintf(buf, max, "%s/%s (Macintosh; Intel Mac OS X) libuv/%s CUDA/%d.%d clang/%d.%d.%d", APP_NAME, APP_VERSION, uv_version_string(), cudaVersion / 1000, cudaVersion % 100, __clang_major__, __clang_minor__, __clang_patchlevel__);
+    snprintf(buf, max, "%s/%s (Macintosh; Intel Mac OS X) libuv/%s CUDA/%d.%d", APP_NAME, APP_VERSION, uv_version_string(), cudaVersion / 1000, cudaVersion % 100);
 #   else
-    snprintf(buf, max, "%s/%s (Macintosh; Intel Mac OS X) libuv/%s clang/%d.%d.%d", APP_NAME, APP_VERSION, uv_version_string(), __clang_major__, __clang_minor__, __clang_patchlevel__);
+    snprintf(buf, max, "%s/%s (Macintosh; Intel Mac OS X) libuv/%s", APP_NAME, APP_VERSION, uv_version_string());
+#   endif
+#   ifdef __clang__
+    size_t i = strlen(buf);
+    snprintf(buf + i, max - i, " clang/%d.%d.%d", __clang_major__, __clang_minor__, __clang_patchlevel__);
+#   elif defined(__GNUC__)
+    size_t i = strlen(buf);
+    snprintf(buf + i, max - i, " gcc/%d.%d.%d", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
 #   endif
 
     return buf;