diff --git a/test/hs/Makefile.am b/test/hs/Makefile.am
index 2629ca1..a39d025 100644
--- a/test/hs/Makefile.am
+++ b/test/hs/Makefile.am
@@ -20,24 +20,24 @@
 THRIFT = $(top_srcdir)/compiler/cpp/thrift
 
 stubs: ../ConstantsDemo.thrift ../DebugProtoTest.thrift ../ThriftTest.thrift ../Include.thrift ../NameConflictTest.thrift
-	$(THRIFT) --gen hs ../ConstantsDemo.thrift
-	$(THRIFT) --gen hs ../DebugProtoTest.thrift
-	$(THRIFT) --gen hs ../ThriftTest.thrift
-	$(THRIFT) --gen hs ../Include.thrift
-	$(THRIFT) --gen hs ../NameConflictTest.thrift
+    $(THRIFT) --gen hs ../ConstantsDemo.thrift
+    $(THRIFT) --gen hs ../DebugProtoTest.thrift
+    $(THRIFT) --gen hs ../ThriftTest.thrift
+    $(THRIFT) --gen hs ../Include.thrift
+    $(THRIFT) --gen hs ../NameConflictTest.thrift
 
 check: stubs
-	sh run-test.sh ConstantsDemo
-	sh run-test.sh DebugProtoTest
-	sh run-test.sh ThriftTest
-	sh run-test.sh Include
-	sh run-test.sh NameConflictTest
+    sh run-test.sh ConstantsDemo
+    sh run-test.sh DebugProtoTest
+    sh run-test.sh ThriftTest
+    sh run-test.sh Include
+    sh run-test.sh NameConflictTest
 
 clean-local:
-	$(RM) -r gen-hs
-	$(RM) *.hi
-	$(RM) *.o
+    $(RM) -r gen-hs
+    $(RM) *.hi
+    $(RM) *.o
 
 all: check
-	ghc -igen-hs TestServer.hs
-	ghc -igen-hs TestClient.hs
\ No newline at end of file
+    ghc -igen-hs TestServer.hs
+    ghc -igen-hs TestClient.hs
\ No newline at end of file