diff --git a/SWIG/Source/Preprocessor/cpp.c b/SWIG/Source/Preprocessor/cpp.c
index 146482c9f..3f20c92b1 100644
--- a/SWIG/Source/Preprocessor/cpp.c
+++ b/SWIG/Source/Preprocessor/cpp.c
@@ -21,7 +21,7 @@ static char cvsroot[] = "$Header$";
 #include <ctype.h>
 
 static DOH  *cpp = 0;                /* C preprocessor data */
-static int   include_all = 1;        /* Follow all includes */
+static int   include_all = 0;        /* Follow all includes */
 static int   single_include = 1;     /* Only include each file once */
 static int   silent_errors = 0;
 static DOH  *included_files = 0;