diff --git a/test/bamtofastq/test-bamtofastq.sh b/test/bamtofastq/test-bamtofastq.sh
index 071561b41..381c9d401 100755
--- a/test/bamtofastq/test-bamtofastq.sh
+++ b/test/bamtofastq/test-bamtofastq.sh
@@ -6,7 +6,7 @@ FAILURES=0;
 check()
 {
 	if diff $1 $2; then
-    	echo ok
+		echo ok
 	else
     	FAILURES=$(expr $FAILURES + 1);
 		echo fail
diff --git a/test/complement/test-complement.sh b/test/complement/test-complement.sh
index 1392f90bb..d185c64d1 100644
--- a/test/complement/test-complement.sh
+++ b/test/complement/test-complement.sh
@@ -5,13 +5,12 @@ FAILURES=0;
 
 check()
 {
-	if diff $1 $2; then
-    	echo ok
-
-	else
-    	FAILURES=$(expr $FAILURES + 1);
-		echo fail
-	fi
+     if diff $1 $2; then
+          echo ok
+     else
+          FAILURES=$(expr $FAILURES + 1);
+          echo fail
+     fi
 }
 
 
diff --git a/test/intersect/test-intersect.sh b/test/intersect/test-intersect.sh
index 147c87e15..8e472f6d3 100644
--- a/test/intersect/test-intersect.sh
+++ b/test/intersect/test-intersect.sh
@@ -7,9 +7,9 @@ FAILURES=0;
 check()
 {
 	if diff $1 $2; then
-    	echo ok
+		echo ok
 	else
-    	FAILURES=$(expr $FAILURES + 1);
+		FAILURES=$(expr $FAILURES + 1);
 		echo fail
 	fi
 }