diff --git a/Source/exehead/fileform.h b/Source/exehead/fileform.h
index 5a03eefc..a7650db3 100644
--- a/Source/exehead/fileform.h
+++ b/Source/exehead/fileform.h
@@ -416,7 +416,11 @@ int GetCompressedDataFromDataBlock(int offset, HANDLE hFileOut);
 int GetCompressedDataFromDataBlockToMemory(int offset, char *out, int out_len);
 
 // $0..$9, $INSTDIR, etc are encoded as ASCII bytes starting from this value.
-#define VAR_CODES_START (256 - 37)
+#ifdef NSIS_CONFIG_PLUGIN_SUPPORT
+  #define VAR_CODES_START (256 - 37)
+#else
+  #define VAR_CODES_START (256 - 36)
+#endif
 
 
 #endif //_FILEFORM_H_
diff --git a/Source/exehead/util.c b/Source/exehead/util.c
index 0aa178b4..d6aef866 100644
--- a/Source/exehead/util.c
+++ b/Source/exehead/util.c
@@ -501,9 +501,11 @@ void process_string(char *out, const char *in)
           wsprintf(out, "%u", cur_install_strings_table->lang_id);
           break;
 
+#ifdef NSIS_CONFIG_PLUGIN_SUPPORT
         case VAR_CODES_START + 35: // PLUGINSDIR
           lstrcpy(out, plugins_temp_dir);
           break;
+#endif //NSIS_CONFIG_PLUGIN_SUPPORT
 
         #if VAR_CODES_START + 34 >= 255
           #error "Too many variables!  Extend VAR_CODES_START!"