diff --git a/m4/ax_cblas.m4 b/m4/ax_cblas.m4
index 4acda990..0e0d68d3 100644
--- a/m4/ax_cblas.m4
+++ b/m4/ax_cblas.m4
@@ -159,7 +159,7 @@ fi
 
 # Generic BLAS library? (for instance OpenBLAS)
 if test $ax_cblas_ok = no; then
-    AC_CHECK_LIB(cblas, cblas_dgemm, [ax_cblas_ok=yes; CBLAS_LIBS="-lblas"])
+    AC_CHECK_LIB(blas, cblas_dgemm, [ax_cblas_ok=yes; CBLAS_LIBS="-lblas"])
 fi
 
 AC_SUBST(CBLAS_LIBS)