diff --git a/runastyle b/runastyle
index ee90e41c3..c34bd05c4 100755
--- a/runastyle
+++ b/runastyle
@@ -30,3 +30,7 @@ astyle $style $options test/*.h
 astyle $style $options tools/*.cpp
 astyle $style $options --recursive "samples/*.c"
 astyle $style $options --recursive "samples/*.cpp"
+
+# Convert tabs to spaces.. even in strings
+sed -i "s/\t/ /g" test/test*.cpp
+