diff --git a/src/common/tvgMath.cpp b/src/common/tvgMath.cpp
index a913daab..3b56b78b 100644
--- a/src/common/tvgMath.cpp
+++ b/src/common/tvgMath.cpp
@@ -43,9 +43,8 @@ bool mathInverse(const Matrix* m, Matrix* out)
                m->e12 * (m->e21 * m->e33 - m->e23 * m->e31) +
                m->e13 * (m->e21 * m->e32 - m->e22 * m->e31);
 
-    if (mathZero(det)) return false;
-
-    auto invDet = 1 / det;
+    auto invDet = 1.0f / det;
+    if (!std::isfinite(invDet)) return false;
 
     out->e11 = (m->e22 * m->e33 - m->e32 * m->e23) * invDet;
     out->e12 = (m->e13 * m->e32 - m->e12 * m->e33) * invDet;
diff --git a/src/common/tvgMath.h b/src/common/tvgMath.h
index bb6d5d2c..50786754 100644
--- a/src/common/tvgMath.h
+++ b/src/common/tvgMath.h
@@ -26,7 +26,7 @@
  #define _USE_MATH_DEFINES
 
 #include <float.h>
-#include <math.h>
+#include <cmath>
 #include "tvgCommon.h"
 
 #define MATH_PI  3.14159265358979323846f