diff --git a/src/pifmrds/control_pipe.c b/src/pifmrds/control_pipe.c
index 999da52..d17bf23 100644
--- a/src/pifmrds/control_pipe.c
+++ b/src/pifmrds/control_pipe.c
@@ -141,7 +141,7 @@ ResultAndArg poll_control_pipe() {
 			resarg.arg = (char)rds;
 		} else if(fifo[0] == 'D' && fifo[1] == 'E' && fifo[2] == 'V') {
 			resarg.res = CONTROL_PIPE_DEVIATION_SET;
-			resarg.arg = atoi(arg);
+			resarg.arg = arg;
 		}
 	}
 	return resarg;
diff --git a/src/pifmrds/pi_fm_rds.cpp b/src/pifmrds/pi_fm_rds.cpp
index d6908f8..8854242 100644
--- a/src/pifmrds/pi_fm_rds.cpp
+++ b/src/pifmrds/pi_fm_rds.cpp
@@ -193,7 +193,7 @@ int tx(uint32_t carrier_freq, char *audio_file, uint16_t pi, char *ps, char *rt,
                 pad_reg[GPIO_PAD_0_27] = 0x5a000018 + (int)pollResult.arg;
                 pad_reg[GPIO_PAD_28_45] = 0x5a000018 + (int)pollResult.arg;
             } else if(pollResult.res == CONTROL_PIPE_DEVIATION_SET) {
-                deviation = pollResult.arg;
+                deviation = atoi(pollResult.arg);
                 deviation_scale_factor=  0.1 * (deviation );
             }
         }