1 files changed, 3 insertions, 3 deletions
diff --git a/cpp/src/slice2vb/Main.cpp b/cpp/src/slice2vb/Main.cpp
index 7e107af12bb..259262a9367 100644
--- a/cpp/src/slice2vb/Main.cpp
+++ b/cpp/src/slice2vb/Main.cpp
@@ -102,7 +102,7 @@ main(int argc, char* argv[])
         vector<string> optargs = opts.argVec("D");
 	for(vector<string>::const_iterator i = optargs.begin(); i != optargs.end(); ++i)
 	{
-            cppArgs += " -D" + *i;
+            cppArgs += " -D\"" + *i + "\"";
 	}
     }
     if(opts.isSet("U"))
@@ -110,7 +110,7 @@ main(int argc, char* argv[])
         vector<string> optargs = opts.argVec("U");
 	for(vector<string>::const_iterator i = optargs.begin(); i != optargs.end(); ++i)
 	{
-            cppArgs += " -U" + *i;
+            cppArgs += " -U\"" + *i + "\"";
 	}
     }
     if(opts.isSet("I"))
@@ -118,7 +118,7 @@ main(int argc, char* argv[])
         includePaths = opts.argVec("I");
 	for(vector<string>::const_iterator i = includePaths.begin(); i != includePaths.end(); ++i)
 	{
-            cppArgs += " -I" + *i;
+            cppArgs += " -I\"" + *i + "\"";
 	}
     }
     preprocess = opts.isSet("E");