diff --git a/ggml-phi-knc-dot_q5_K_q8_K.c b/ggml-phi-knc-dot_q5_K_q8_K.c
index bfff9112d..651ad1684 100644
--- a/ggml-phi-knc-dot_q5_K_q8_K.c
+++ b/ggml-phi-knc-dot_q5_K_q8_K.c
@@ -4,6 +4,8 @@
 // For size_t
 #include <stdio.h>
 
+// Yes, we have to tell this header to actually export stuff.
+#define GGML_COMMON_IMPL_C
 // For block_q5_K and block_q8_K
 #include "ggml-common.h"