diff --git a/README.md b/README.md
index 0008fcc..cd06d9c 100644
--- a/README.md
+++ b/README.md
@@ -281,6 +281,9 @@ Work is in progress...
 
 ---
 ## Version history
+#### v0.6.121
+- fixed compiling error with DSP_GC9106 option
+
 #### v0.6.120
 - added support for GC9106 160x80 SPI displays
 - fixed compiling error with DSP_DUMMY option
diff --git a/yoRadio/options.h b/yoRadio/options.h
index f50a830..a3b8081 100644
--- a/yoRadio/options.h
+++ b/yoRadio/options.h
@@ -1,7 +1,7 @@
 #ifndef options_h
 #define options_h
 
-#define VERSION "0.6.120"
+#define VERSION "0.6.121"
 
 /*******************************************************
 DO NOT EDIT THIS FILE. 
diff --git a/yoRadio/src/Adafruit_GC9106Ex/Adafruit_GC9106Ex.cpp b/yoRadio/src/Adafruit_GC9106Ex/Adafruit_GC9106Ex.cpp
index 09e829b..f7cdc6a 100644
--- a/yoRadio/src/Adafruit_GC9106Ex/Adafruit_GC9106Ex.cpp
+++ b/yoRadio/src/Adafruit_GC9106Ex/Adafruit_GC9106Ex.cpp
@@ -22,6 +22,9 @@
  *
  */
 
+#include "../../options.h"
+#if DSP_MODEL==DSP_GC9106
+
 #include "Adafruit_GC9106Ex.h"
 #ifndef ARDUINO_STM32_FEATHER
 #include "pins_arduino.h"
@@ -309,4 +312,4 @@ void Adafruit_GC9106Ex::setAddrWindow(uint16_t x1, uint16_t y1, uint16_t w,
   SPI_WRITE16(y2);
   writeCommand(GC9106_RAMWR); // Write to RAM
 }
-
+#endif