diff --git a/README.md b/README.md
index 0383a8c..fe60c38 100644
--- a/README.md
+++ b/README.md
@@ -301,6 +301,9 @@ Work is in progress...
 
 ---
 ## Version history
+#### v0.8.137
+- fixed compilation error without encoder
+
 #### v0.8.135
 - added numeric IR remote buttons in configurations with DSP_DUMMY
 - fixed navigation bug in playlist with more than 255 stations
diff --git a/yoRadio/src/core/controls.h b/yoRadio/src/core/controls.h
index f61e496..de3c228 100644
--- a/yoRadio/src/core/controls.h
+++ b/yoRadio/src/core/controls.h
@@ -18,7 +18,9 @@ boolean checklpdelay(int m, unsigned long &tstamp);
 
 void initControls();
 void loopControls();
+#if (ENC_BTNL!=255 && ENC_BTNR!=255) || (ENC2_BTNL!=255 && ENC2_BTNR!=255)
 void encodersLoop(yoEncoder *enc, bool first=true);
+#endif
 void encoder1Loop();
 void encoder2Loop();
 void irLoop();
diff --git a/yoRadio/src/core/options.h b/yoRadio/src/core/options.h
index 985c4ec..824ee25 100644
--- a/yoRadio/src/core/options.h
+++ b/yoRadio/src/core/options.h
@@ -1,7 +1,7 @@
 #ifndef options_h
 #define options_h
 
-#define VERSION "0.8.135"
+#define VERSION "0.8.137"
 
 /*******************************************************
 DO NOT EDIT THIS FILE.