redefinition error

diff --git a/src/engine/renderer/tr_local.h b/src/engine/renderer/tr_local.h
index 67991bdb8..6702044e5 100644
--- a/src/engine/renderer/tr_local.h
+++ b/src/engine/renderer/tr_local.h
@@ -137,6 +137,11 @@ static inline float halfToFloat( int16_t in ) {
    fi.ui = (((unsigned int)in & 0x8000) << 16) | (((unsigned int)in & 0x7fff) << 13);
    return fi.f * scale;
 }
+static inline void halfToFloat( const f16vec2_t in, vec2_t out )
+{
+   out[ 0 ] = halfToFloat( in[ 0 ] );
+   out[ 1 ] = halfToFloat( in[ 1 ] );
+}
 static inline void halfToFloat( const f16vec4_t in, vec4_t out )
 {
    out[ 0 ] = halfToFloat( in[ 0 ] );
diff --git a/src/engine/renderer/tr_main.cpp b/src/engine/renderer/tr_main.cpp
index 6ab0c901a..0f4411d12 100644
--- a/src/engine/renderer/tr_main.cpp
+++ b/src/engine/renderer/tr_main.cpp
@@ -106,12 +106,9 @@ void R_CalcTangents( vec3_t tangent, vec3_t binormal,
 {
    vec2_t t0f, t1f, t2f;

-   t0f[ 0 ] = halfToFloat( t0[ 0 ] );
-   t0f[ 1 ] = halfToFloat( t0[ 1 ] );
-   t1f[ 0 ] = halfToFloat( t1[ 0 ] );
-   t1f[ 1 ] = halfToFloat( t1[ 1 ] );
-   t2f[ 0 ] = halfToFloat( t2[ 0 ] );
-   t2f[ 1 ] = halfToFloat( t2[ 1 ] );
+   t0f = halfToFloat( t0 );
+   t1f = halfToFloat( t1 );
+   t2f = halfToFloat( t2 );

    vec3_t dpx, dpy;
    vec2_t dtx, dty;