diff --git a/waflib/Tools/gdc.py b/waflib/Tools/gdc.py
index b72c4a7f..61c1cce3 100644
--- a/waflib/Tools/gdc.py
+++ b/waflib/Tools/gdc.py
@@ -14,7 +14,7 @@ def find_gdc(conf):
 	conf.find_program('gdc', var='D')
 
 	out = conf.cmd_and_log(conf.env.D + ['--version'])
-	if out.find("gdc ") == -1:
+	if out.find("gdc") == -1:
 		conf.fatal("detected compiler is not gdc")
 
 @conf