diff --git a/openbsc/src/gsm_04_80.c b/openbsc/src/gsm_04_80.c
index 8271274..2112e3f 100644
--- a/openbsc/src/gsm_04_80.c
+++ b/openbsc/src/gsm_04_80.c
@@ -236,7 +236,7 @@
 				gsm_7bit_decode(req->text,
 						&(uss_req_data[7]), num_chars);
 				/* append null-terminator */
-				req->text[num_chars+1] = 0;  
+				req->text[num_chars+1] = 0;
 				rc = 1;
 			}
 		}