diff --git a/raylib/core.go b/raylib/core.go
index 4abe442..ce807c5 100644
--- a/raylib/core.go
+++ b/raylib/core.go
@@ -275,7 +275,7 @@ func ColorNormalize(color Color) Vector4 {
 
 // Vector3ToFloat - Converts Vector3 to float32 slice
 func Vector3ToFloat(vec Vector3) []float32 {
-	data := make([]float32, 0)
+	data := make([]float32, 3)
 	data[0] = vec.X
 	data[1] = vec.Y
 	data[2] = vec.Z
@@ -285,7 +285,7 @@ func Vector3ToFloat(vec Vector3) []float32 {
 
 // MatrixToFloat - Converts Matrix to float32 slice
 func MatrixToFloat(mat Matrix) []float32 {
-	data := make([]float32, 0)
+	data := make([]float32, 16)
 
 	data[0] = mat.M0
 	data[1] = mat.M4