diff --git a/uppsrc/ide/Builders/MscBuilder.icpp b/uppsrc/ide/Builders/MscBuilder.icpp
index 8ff067986..895978bfd 100644
--- a/uppsrc/ide/Builders/MscBuilder.icpp
+++ b/uppsrc/ide/Builders/MscBuilder.icpp
@@ -391,7 +391,7 @@ bool MscBuilder::BuildPackage(const String& package, Vector<String>& linkfile, V
 				int slot = AllocSlot();
 				if(HasAnyDebug())
 					c << Pdb(package, slot, !sContainsPchOptions(cc) && !sContainsPchOptions(soptions[i]));
-				c << " " + soptions[i] + (ext == ".c" ? Join(" -Tc", c_options) : Join(" -Tp", cpp_options)) + ' '
+				c << " " + soptions[i] + (ext == ".c" ? Join(c_options, " -Tc") : Join(cpp_options, " -Tp")) + ' '
 				     + GetHostPathQ(fn) + " -Fo" + GetHostPathQ(objfile);
 				if(nopch.Find(fn) < 0)
 					c << pch_use;