diff --git a/driver/others/blas_server_omp.c b/driver/others/blas_server_omp.c
index d126955e4..bdb5ebfd2 100644
--- a/driver/others/blas_server_omp.c
+++ b/driver/others/blas_server_omp.c
@@ -300,12 +300,15 @@ static void exec_threads(blas_queue_t *queue, int buf_index){
 	} else
 #endif
 	  if ((queue -> mode & BLAS_PREC) == BLAS_DOUBLE){
+#if defined ( BUILD_DOUBLE) || defined (BUILD_COMPLEX16)
 	    sb = (void *)(((BLASLONG)sa + ((DGEMM_P * DGEMM_Q * sizeof(double)
 					    + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
-
+#endif
 	  } else if ((queue -> mode & BLAS_PREC) == BLAS_SINGLE){
+#if defined (BUILD_SINGLE) || defined (BUILD_COMPLEX)
 	    sb = (void *)(((BLASLONG)sa + ((SGEMM_P * SGEMM_Q * sizeof(float)
 					    + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
+#endif
 	  } else {
           /* Other types in future */
 	  }
@@ -317,15 +320,24 @@ static void exec_threads(blas_queue_t *queue, int buf_index){
 	} else
 #endif
 	  if ((queue -> mode & BLAS_PREC) == BLAS_DOUBLE){
+#ifdef BUILD_COMPLEX16
 	    sb = (void *)(((BLASLONG)sa + ((ZGEMM_P * ZGEMM_Q * 2 * sizeof(double)
 					    + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
+#else 
+fprintf(stderr,"UNHANDLED COMPLEX16\n");
+#endif
 	  } else if ((queue -> mode & BLAS_PREC) == BLAS_SINGLE) {
+#ifdef BUILD_COMPLEX
 	    sb = (void *)(((BLASLONG)sa + ((CGEMM_P * CGEMM_Q * 2 * sizeof(float)
 					    + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
+#else 
+fprintf(stderr,"UNHANDLED COMPLEX\n");
+#endif
 	  } else {
           /* Other types in future */
 	  }
       }
+if (!sb) fprintf(stderr,"SB not declared!!!\n");
       queue->sb=sb;
     }
   }