diff --git a/org.fortiss.af3.platform.raspberry/trunk/lib/src/Gamepad.c b/org.fortiss.af3.platform.raspberry/trunk/lib/src/Gamepad.c
index 22fa2fcdc63742f21c92bca90efcce1e0593860b..39222859efc6af810509d7edae8d231a8e0b971b 100644
--- a/org.fortiss.af3.platform.raspberry/trunk/lib/src/Gamepad.c
+++ b/org.fortiss.af3.platform.raspberry/trunk/lib/src/Gamepad.c
@@ -206,7 +206,7 @@ GEN_TYPE_double gp_btnLX_read() {
 }
 
 GEN_TYPE_double gp_btnLY_read() {
-    return ie.btns.js1_ud;
+    return -ie.btns.js1_ud;
 }
 
 GEN_TYPE_double gp_btnRX_read() {
@@ -214,7 +214,7 @@ GEN_TYPE_double gp_btnRX_read() {
 }
 
 GEN_TYPE_double gp_btnRY_read() {
-    return ie.btns.js2_ud;
+    return -ie.btns.js2_ud;
 }
 
 // noval