diff --git a/configure b/configure
index 72536cc84fe..a887d7bfbd7 100755
--- a/configure
+++ b/configure
@@ -13771,7 +13771,7 @@ if test -n "$USE_BLAS"; then
   BLASINC=$(${PKG_CONFIG} --cflags ${BLAS_PKG})
 
   save_CFLAGS="$CFLAGS"; CFLAGS="$BLASINC $CFLAGS"
-  save_LDFLAGS="$LDFLAGS"; LDFLAGS="$BLASLIB"
+  save_LIBS="$LIBS"; LIBS="$BLASLIB"
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: CFLAGS: \"$CFLAGS\"" >&5
 printf "%s\n" "$as_me: CFLAGS: \"$CFLAGS\"" >&6;}
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: LDFLAGS: \"$LDFLAGS\"" >&5
@@ -13898,7 +13898,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
 printf "%s\n" "$blas_ok" >&6; }
 
   CFLAGS="$save_CFLAGS"
-  LDFLAGS="$save_LDFLAGS"
+  LIBS="$save_LIBS"
 
 
 printf "%s\n" "#define HAVE_LIBBLAS 1" >>confdefs.h
diff --git a/configure.ac b/configure.ac
index 001fa690303..3963956cd23 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1615,7 +1615,7 @@ if test -n "$USE_BLAS"; then
   BLASINC=$(${PKG_CONFIG} --cflags ${BLAS_PKG})
 
   save_CFLAGS="$CFLAGS"; CFLAGS="$BLASINC $CFLAGS"
-  save_LDFLAGS="$LDFLAGS"; LDFLAGS="$BLASLIB"
+  save_LIBS="$LIBS"; LIBS="$BLASLIB"
 dnl  save_LDFLAGS="$LDFLAGS"; LDFLAGS="$BLASLIB $LDFLAGS"
   AC_MSG_NOTICE([CFLAGS: "$CFLAGS"])
   AC_MSG_NOTICE([LDFLAGS: "$LDFLAGS"])
@@ -1661,7 +1661,7 @@ dnl  ])
   AC_MSG_RESULT([$blas_ok])
 
   CFLAGS="$save_CFLAGS"
-  LDFLAGS="$save_LDFLAGS"
+  LIBS="$save_LIBS"
 
   AC_DEFINE(HAVE_LIBBLAS, 1, [Define to 1 if BLAS exists.])