diff --git a/contrib/Rebus/sample.thrift b/contrib/Rebus/sample.thrift
index fe1d21a..785e2d3 100644
--- a/contrib/Rebus/sample.thrift
+++ b/contrib/Rebus/sample.thrift
@@ -16,15 +16,15 @@
  * specific language governing permissions and limitations
  * under the License.
  */
- 
+
 
 service BasicMathServer {
-	oneway void DoTheMath( 1: i32 arg1,  2: i32 arg2)
-	oneway void Ping(1: i64 value)
+    oneway void DoTheMath( 1: i32 arg1,  2: i32 arg2)
+    oneway void Ping(1: i64 value)
 }
 
 service BasicMathClient {
-	oneway void ThreeResults( 1 : i32 added, 2 : i32 multiplied, 3 : i32 subtracted);
-	oneway void FourResults(  1 : i32 added, 2 : i32 multiplied, 3 : i32 subtracted, 4 : i32 divided);
-	oneway void Pong(1: i64 value)
+    oneway void ThreeResults( 1 : i32 added, 2 : i32 multiplied, 3 : i32 subtracted);
+    oneway void FourResults(  1 : i32 added, 2 : i32 multiplied, 3 : i32 subtracted, 4 : i32 divided);
+    oneway void Pong(1: i64 value)
 }
diff --git a/contrib/fb303/cpp/Makefile.am b/contrib/fb303/cpp/Makefile.am
index 748d329..bb1cb60 100644
--- a/contrib/fb303/cpp/Makefile.am
+++ b/contrib/fb303/cpp/Makefile.am
@@ -38,7 +38,7 @@
 
 AM_CPPFLAGS = -I..
 AM_CPPFLAGS += -Igen-cpp
-AM_CPPFLAGS += -I$(thrift_home)/include/thrift 
+AM_CPPFLAGS += -I$(thrift_home)/include/thrift
 AM_CPPFLAGS += $(BOOST_CPPFLAGS)
 AM_CPPFLAGS += $(FB_CPPFLAGS) $(DEBUG_CPPFLAGS)
 
diff --git a/contrib/fb303/py/Makefile.am b/contrib/fb303/py/Makefile.am
index 060495e..dc8c037 100644
--- a/contrib/fb303/py/Makefile.am
+++ b/contrib/fb303/py/Makefile.am
@@ -23,22 +23,22 @@
 all:
 
 all-local:
-	$(thrift_home)/bin/thrift --gen py $(top_srcdir)/if/fb303.thrift
-	mv gen-py/fb303/* fb303
-	$(PYTHON) setup.py build
+    $(thrift_home)/bin/thrift --gen py $(top_srcdir)/if/fb303.thrift
+    mv gen-py/fb303/* fb303
+    $(PYTHON) setup.py build
 
 # We're ignoring prefix here because site-packages seems to be
 # the equivalent of /usr/local/lib in Python land.
 # Old version (can't put inline because it's not portable).
 #$(PYTHON) setup.py install --prefix=$(prefix) --root=$(DESTDIR) $(PYTHON_SETUPUTIL_ARGS)
 install-exec-hook:
-	$(PYTHON) setup.py install --root=$(DESTDIR) --prefix=$(PY_PREFIX) $(PYTHON_SETUPUTIL_ARGS)
+    $(PYTHON) setup.py install --root=$(DESTDIR) --prefix=$(PY_PREFIX) $(PYTHON_SETUPUTIL_ARGS)
 
 
 
-clean:	clean-local
+clean:    clean-local
 
 clean-local:
-	$(RM) -r build
+    $(RM) -r build
 
 check-local: all