diff --git a/common_thread.h b/common_thread.h
index bd964445e..daee57109 100644
--- a/common_thread.h
+++ b/common_thread.h
@@ -196,7 +196,7 @@ int syrk_thread(int mode, blas_arg_t *, BLASLONG *, BLASLONG *, int (*function)(
 
 int beta_thread(int mode, BLASLONG m, BLASLONG n,
 		double alpha_r, double alpha_i,
-		void *c, BLASLONG ldc, int (*fuction)());
+		void *c, BLASLONG ldc, int (*function)());
 
 int getrf_thread(int mode, BLASLONG m, BLASLONG n, BLASLONG k,
 		 void *offsetA, BLASLONG lda,