diff --git a/compiler/cpp/Makefile.am b/compiler/cpp/Makefile.am
index 8ddb161..c2084a4 100644
--- a/compiler/cpp/Makefile.am
+++ b/compiler/cpp/Makefile.am
@@ -15,9 +15,9 @@
                  src/generate/t_rb_generator.cc \
                  src/generate/t_xsd_generator.cc \
                  src/generate/t_perl_generator.cc \
-		 src/generate/t_ocaml_generator.cc \
+                 src/generate/t_ocaml_generator.cc \
                  src/generate/t_erl_generator.cc \
-		 src/generate/t_hs_generator.cc 
+                 src/generate/t_hs_generator.cc 
 
 thrift_CXXFLAGS = -Wall -Isrc $(BOOST_CPPFLAGS)
 thrift_LDFLAGS = -Wall $(BOOST_LDFLAGS)