diff --git a/cores/libretro-ffmpeg/fft/fft.cpp b/cores/libretro-ffmpeg/fft/fft.cpp
index 68bae10c92..90803ea835 100644
--- a/cores/libretro-ffmpeg/fft/fft.cpp
+++ b/cores/libretro-ffmpeg/fft/fft.cpp
@@ -246,13 +246,13 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
    center[1]            = 0.0f;
    center[2]            = 1.0f;
 
-   vec3_add(&center[0], &eye[0]);
+   vec3_add(center, eye);
 
 #ifdef GLM_USE_DEBUG
    printf("center : %.2f, %.2f, %.2f\n", center[0], center[1], center[2]);
 #endif
 
-   matrix_4x4_projection(&mvp_persp, (float)M_HALF_PI, (float)width / height, 1.0f, 500.0f);
+   matrix_4x4_projection(mvp_persp, (float)M_HALF_PI, (float)width / height, 1.0f, 500.0f);
 #ifdef GLM_USE_DEBUG
    printf("mvp_persp: \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n\n",
          MAT_ELEM_4X4(mvp_persp, 0, 0),
@@ -297,7 +297,7 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
          MAT_ELEM_4X4(mvp_lookat, 3, 3)
          );
 #endif
-   matrix_4x4_multiply(mvp, &mvp_persp, &mvp_lookat);
+   matrix_4x4_multiply(mvp, mvp_persp, mvp_lookat);
 #ifdef GLM_USE_DEBUG
    printf("mvp: \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n\n",
          MAT_ELEM_4X4(mvp, 0, 0),
diff --git a/libretro-common/include/gfx/math/matrix_4x4.h b/libretro-common/include/gfx/math/matrix_4x4.h
index 0878df2c0b..33c80a39d0 100644
--- a/libretro-common/include/gfx/math/matrix_4x4.h
+++ b/libretro-common/include/gfx/math/matrix_4x4.h
@@ -212,12 +212,12 @@ typedef struct math_matrix_4x4
    vec3_t zaxis;   /* the "forward" vector */ \
    vec3_t xaxis;   /* the "right"   vector */ \
    vec3_t yaxis;   /* the "up"      vector */ \
-   vec3_copy(&zaxis[0], center); \
-   vec3_subtract(&zaxis[0], eye); \
-   vec3_normalize(&zaxis[0]); \
-   vec3_cross(&xaxis[0], &zaxis[0], up); \
-   vec3_normalize(&xaxis[0]); \
-   vec3_cross(&yaxis[0], &xaxis[0], zaxis); \
+   vec3_copy(zaxis, center); \
+   vec3_subtract(zaxis, eye); \
+   vec3_normalize(zaxis); \
+   vec3_cross(xaxis, zaxis, up); \
+   vec3_normalize(xaxis); \
+   vec3_cross(yaxis, xaxis, zaxis); \
    MAT_ELEM_4X4(out, 0, 0) = xaxis[0]; \
    MAT_ELEM_4X4(out, 0, 1) = yaxis[0]; \
    MAT_ELEM_4X4(out, 0, 2) = -zaxis[0]; \