--- a/src/dmvecmat.c	Sun Jul 13 17:44:55 2014 +0300
+++ b/src/dmvecmat.c	Sun Jul 13 23:32:38 2014 +0300
@@ -431,13 +431,19 @@
         i = sx * sz,
         j = sx * cz;
 
-    memset(mat, 0, sizeof(DMMatrix));
+    mat->m[0][3] = 
+    mat->m[1][3] = 
+    mat->m[2][3] = 
+    mat->m[3][0] = 
+    mat->m[3][1] = 
+    mat->m[3][2] = 0;
+
+    mat->m[3][3] = 1.0f;
 
     mat->m[0][0] = cy * cz;
     mat->m[0][1] = cy * sz;
     mat->m[0][2] = -sy;
 
-
     mat->m[1][0] = (sy * j) - q;
     mat->m[1][1] = (sy * i) + l;
     mat->m[1][2] = sx * cy;
@@ -447,5 +453,4 @@
     mat->m[2][1] = (sy * q) - j;
     mat->m[2][2] = cx * cy;
 
-    mat->m[3][3] = 1.0f;
 }