diff --git a/AMBuildScript b/AMBuildScript
index d2d7a6a1..f9c4ea74 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -404,7 +404,7 @@ class SMConfig(object):
     if compiler.like('msvc'):
       compiler.defines += ['COMPILER_MSVC', 'COMPILER_MSVC32']
       if compiler.version >= 1900:
-	    compiler.linkflags += ['legacy_stdio_definitions.lib']
+        compiler.linkflags += ['legacy_stdio_definitions.lib']
     else:
       compiler.defines += ['COMPILER_GCC']
 
diff --git a/core/AMBuilder b/core/AMBuilder
index 64fac5ed..5efb3d64 100644
--- a/core/AMBuilder
+++ b/core/AMBuilder
@@ -74,7 +74,7 @@ for sdk_name in SM.sdks:
       if msvc_ver == 1800:
         vs_year = '2013'
       elif msvc_ver == 1900:
-	    vs_year = '2015'
+        vs_year = '2015'
       else:
         raise Exception('Cannot find libprotobuf for MSVC version "' + str(compiler.version) + '"')