diff --git a/gsk/ngl/fp16.c b/gsk/ngl/fp16.c
index 2f71820ce4..29e83527f3 100644
--- a/gsk/ngl/fp16.c
+++ b/gsk/ngl/fp16.c
@@ -146,7 +146,7 @@ float_to_half (const float *f, guint16 *h, int n)
   if (have_f16c_msvc ())
     float_to_half_f16c (f, h, n);
   else
-    float_to_half4_c (f, h, n);
+    float_to_half_c (f, h, n);
 }
 
 void