diff --git a/interface/syrk.c b/interface/syrk.c
index dae256875..69f2328a4 100644
--- a/interface/syrk.c
+++ b/interface/syrk.c
@@ -107,7 +107,7 @@ void NAME(char *UPLO, char *TRANS,
   FLOAT *sa, *sb;
 
 #ifdef SMP
-  BLASLONG NNK;
+  double NNK;
 #ifdef USE_SIMPLE_THREADED_LEVEL3
 #ifndef COMPLEX
 #ifdef XDOUBLE
@@ -232,7 +232,7 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, enum CBLAS_TRANSPOSE Tr
   FLOAT *sa, *sb;
 
 #ifdef SMP
-BLASLONG NNK;
+double NNK;
 
 #ifdef USE_SIMPLE_THREADED_LEVEL3
 #ifndef COMPLEX