diff --git a/Source/cmCPluginAPI.cxx b/Source/cmCPluginAPI.cxx
index d6ef01b0b..acd663deb 100644
--- a/Source/cmCPluginAPI.cxx
+++ b/Source/cmCPluginAPI.cxx
@@ -518,7 +518,7 @@ public:
       }
     }
 };
-static cmCPluginAPISourceFileMap cmCPluginAPISourceFiles;
+cmCPluginAPISourceFileMap cmCPluginAPISourceFiles;
 
 void * CCONV cmCreateSourceFile()
 {