diff --git a/glfw/glfw.py b/glfw/glfw.py
index 450f58b6a..98e6c1a97 100755
--- a/glfw/glfw.py
+++ b/glfw/glfw.py
@@ -90,7 +90,7 @@ def cc_version_string(self) -> str:
 
     @property
     def is_gcc(self) -> bool:
-        return '(GCC)' in self.cc_version_string
+        return self.cc_version_string.startswith('gcc ')
 
     def copy(self) -> 'Env':
         ans = Env(self.cc, list(self.cppflags), list(self.cflags), list(self.ldflags), dict(self.library_paths), list(self.ldpaths), self.ccver)