diff -up hplip-3.21.2/scan/sane/escl.c.libm hplip-3.21.2/scan/sane/escl.c
--- hplip-3.21.2/scan/sane/escl.c.libm	2021-06-23 12:00:15.203400524 +0200
+++ hplip-3.21.2/scan/sane/escl.c	2021-06-23 12:00:47.963241996 +0200
@@ -25,6 +25,7 @@
 # include "escli.h"
 # include "io.h"
 #include "utils.h"
+#include <gnu/lib-names.h>
 
 # define DEBUG_DECLARE_ONLY
 # include "sanei_debug.h"
@@ -44,10 +45,9 @@ static int bb_load(struct escl_session *
    }
 
    /* Load math library manually with symbols exported (Ubuntu 8.04). Otherwise the plugin will not find it. */ 
-   if ((ps->math_handle = load_library("libm.so")) == NULL)
+   if ((ps->math_handle = load_library(LIBM_SO)) == NULL)
    {
-      if ((ps->math_handle = load_library("libm.so.6")) == NULL)
-         goto bugout;
+      goto bugout;
    } 
    if ((ps->bb_handle = load_plugin_library(UTILS_SCAN_PLUGIN_LIBRARY, so)) == NULL)
    {
diff -up hplip-3.21.2/scan/sane/marvell.c.libm hplip-3.21.2/scan/sane/marvell.c
--- hplip-3.21.2/scan/sane/marvell.c.libm	2021-06-23 11:58:15.853685079 +0200
+++ hplip-3.21.2/scan/sane/marvell.c	2021-06-23 11:58:41.751142811 +0200
@@ -49,6 +49,7 @@
 #include "marvelli.h"
 #include "io.h"
 #include "utils.h"
+#include <gnu/lib-names.h>
 
 #define DEBUG_DECLARE_ONLY
 #include "sanei_debug.h"
@@ -67,10 +68,9 @@ static int bb_load(struct marvell_sessio
    }
 
    /* Load math library manually with symbols exported (Ubuntu 8.04). Otherwise the plugin will not find it. */ 
-   if ((ps->math_handle = load_library("libm.so")) == NULL)
+   if ((ps->math_handle = load_library(LIBM_SO)) == NULL)
    {
-      if ((ps->math_handle = load_library("libm.so.6")) == NULL)
-         goto bugout;
+      goto bugout;
    } 
 
    if ((ps->bb_handle = load_plugin_library(UTILS_SCAN_PLUGIN_LIBRARY, so)) == NULL)
diff -up hplip-3.21.2/scan/sane/soap.c.libm hplip-3.21.2/scan/sane/soap.c
--- hplip-3.21.2/scan/sane/soap.c.libm	2021-06-23 11:59:33.701066446 +0200
+++ hplip-3.21.2/scan/sane/soap.c	2021-06-23 12:00:04.895821112 +0200
@@ -57,6 +57,7 @@
 #include "soapi.h"
 #include "io.h"
 #include "utils.h"
+#include <gnu/lib-names.h>
 
 #define DEBUG_DECLARE_ONLY
 #include "sanei_debug.h"
@@ -75,10 +76,9 @@ static int bb_load(struct soap_session *
    }
 
    /* Load math library manually with symbols exported (Ubuntu 8.04). Otherwise the plugin will not find it. */ 
-   if ((ps->math_handle = load_library("libm.so")) == NULL)
+   if ((ps->math_handle = load_library(LIBM_SO)) == NULL)
    {
-      if ((ps->math_handle = load_library("libm.so.6")) == NULL)
-         goto bugout;
+      goto bugout;
    } 
 
    if ((ps->bb_handle = load_plugin_library(UTILS_SCAN_PLUGIN_LIBRARY, so)) == NULL)
diff -up hplip-3.21.2/scan/sane/soapht.c.libm hplip-3.21.2/scan/sane/soapht.c
--- hplip-3.21.2/scan/sane/soapht.c.libm	2021-06-23 11:56:04.539300991 +0200
+++ hplip-3.21.2/scan/sane/soapht.c	2021-06-23 11:57:57.233636985 +0200
@@ -51,6 +51,7 @@
 #include "soaphti.h"
 #include "io.h"
 #include "utils.h"
+#include <gnu/lib-names.h>
 
 #define DEBUG_DECLARE_ONLY
 #include "sanei_debug.h"
@@ -69,10 +70,9 @@ static int bb_load(struct soap_session *
    }
 
    /* Load math library manually with symbols exported (Ubuntu 8.04). Otherwise the plugin will not find it. */ 
-   if ((ps->math_handle = load_library("libm.so")) == NULL)
+   if ((ps->math_handle = load_library(LIBM_SO)) == NULL)
    {
-      if ((ps->math_handle = load_library("libm.so.6")) == NULL)
-         goto bugout;
+      goto bugout;
    } 
 
    if ((ps->bb_handle = load_plugin_library(UTILS_SCAN_PLUGIN_LIBRARY, so)) == NULL)