diff --git a/test/common/math.h b/test/common/math.h
index d523213f812..7ed6a87ee4e 100644
--- a/test/common/math.h
+++ b/test/common/math.h
@@ -8,7 +8,7 @@
 #define TS_ASSERT_ALMOST_EQUALS(x, y, z) \
 	TS_ASSERT_LESS_THAN_EQUALS(((x) - (y)) >= 0 ? (x) - (y) : (y) - (x), z)
 
-const float MAX_ERROR = 0.000001;
+const float MAX_ERROR = 0.00001;
 class MathTestSuite : public CxxTest::TestSuite
 {
 	public: