diff --git a/python/rds_parser_table_qt.py b/python/rds_parser_table_qt.py
index 68acbf6..e590c3c 100644
--- a/python/rds_parser_table_qt.py
+++ b/python/rds_parser_table_qt.py
@@ -790,10 +790,10 @@ class rds_parser_table_qt(gr.sync_block):#START
                                seg_adr_start=(adr-4)*4#start of segment
                                text_list[seg_adr_start:seg_adr_start+4]=segment
                                self.RDS_data[PI]["AID_list"][52550]["provider name"]="".join(text_list)
-						if adr==6:
-							AF1_ON=tmc_y>>8
-							AF2_ON=tmc_y&0xff
-							PI_ON=tmc_z
+                        if adr==6:
+                                AF1_ON=tmc_y>>8
+                                AF2_ON=tmc_y&0xff
+                                PI_ON=tmc_z
                         if adr== 7:#freq of tuned an mapped station (not seen yet)
                             freq_TN=tmc_y>>8
                             freq_ON=tmc_y&0xff#mapped frequency
@@ -802,10 +802,10 @@ class rds_parser_table_qt(gr.sync_block):#START
                                 print("TMC-info: TN:%i, station:%s"%(freq_TN,self.RDS_data[PI]["PSN"]))
                             self.RDS_data[PI]["TMC_TN"]=freq_TN
                         if adr== 9:
-							LTN_ON=(tmc_y>>10)
-							MGS_ON=(tmc_y>>6)&0xf
-							SID_ON=(tmc_y)&0x3f
-							PI_ON=tmc_z
+                                                        LTN_ON=(tmc_y>>10)
+                                                        MGS_ON=(tmc_y>>6)&0xf
+                                                        SID_ON=(tmc_y)&0x3f
+                                                        PI_ON=tmc_z
                     else:
                         if self.log or self.debug or True:#not seen yet -> always print
                             print("alert plus on station %s (%s) , encrypted TMC?"%(PI,self.RDS_data[PI]["PSN"]))#(not seen yet)