diff --git a/Source/PluginSpecs/PluginSpecs.h b/Source/PluginSpecs/PluginSpecs.h
index c6f4af2fcf..612e4413f9 100644
--- a/Source/PluginSpecs/PluginSpecs.h
+++ b/Source/PluginSpecs/PluginSpecs.h
@@ -93,6 +93,11 @@ typedef struct
 	char Name[100];		// Name of the DLL
 } PLUGIN_INFO;
 
+#ifndef MAX_PATH
+// apparently a windows-ism.
+#define MAX_PATH 260
+#endif
+
 // TODO: Remove, or at least remove the void pointers and replace with data.
 // This design is just wrong and ugly - the plugins shouldn't have this much access.
 typedef struct