diff --git a/tsock_texte b/tsock_texte
index 64ac6bc..343ffc6 100755
--- a/tsock_texte
+++ b/tsock_texte
@@ -7,22 +7,22 @@ protocol="tcp"
 usage() { echo "Usage: $0 [-p|-s]" 1>&2; exit 1; }
 
 while getopts "pst:" o; do
-	case "${o}" in
-	        p)
-	                puits=true
-	                ;;
-	        s)
-	                sourc=true
-	                ;;
-	        *)
-		        usage
-		        ;;
-	esac
+    case "${o}" in
+            p)
+                    puits=true
+                    ;;
+            s)
+                    sourc=true
+                    ;;
+            *)
+                usage
+                ;;
+    esac
 done
 
 if ([ "$puits" = true ] && [ "$sourc" = true ]) || ([ "$puits" = false ] && [ "$sourc" = false ])  ; then
-	usage
-	exit 1
+    usage
+    exit 1
 fi
 
 if [ "$puits" = true ]; then
diff --git a/tsock_video b/tsock_video
index 5b61f65..7a43230 100755
--- a/tsock_video
+++ b/tsock_video
@@ -7,29 +7,29 @@ protocol="tcp"
 usage() { echo "Usage: $0 [[-p|-s] [-t (tcp|mictcp)]" 1>&2; exit 1; }
 
 while getopts "pst:" o; do
-	case "${o}" in
-		t)
-	         	protocol=${OPTARG}
-			if [ "$protocol" != "tcp" ] && [ "$protocol" != "mictcp" ]; then
-				usage
-				exit 1
-			fi
-			;;
-	        p)
-	                puits=true
-	                ;;
-	        s)
-	                sourc=true
-	                ;;
-	        *)
-		        usage
-		        ;;
-	esac
+    case "${o}" in
+        t)
+            protocol=${OPTARG}
+            if [ "$protocol" != "tcp" ] && [ "$protocol" != "mictcp" ]; then
+                usage
+                exit 1
+            fi
+            ;;
+        p)
+            puits=true
+            ;;
+        s)
+            sourc=true
+            ;;
+        *)
+            usage
+            ;;
+    esac
 done
 
 if ([ "$puits" = true ] && [ "$sourc" = true ]) || ([ "$puits" = false ] && [ "$sourc" = false ])  ; then
-	usage
-	exit 1
+    usage
+    exit 1
 fi
 
 if [ "$puits" = true ]; then
@@ -40,7 +40,7 @@ if [ "$puits" = true ]; then
     if [ "$protocol" = "mictcp" ]; then
         cd build
         ./gateway -p -t $protocol 1234 &
-	cd ..
+    cd ..
     fi
 fi