diff --git a/include/local.h b/include/local.h
index f338d520..b5e7b6f0 100644
--- a/include/local.h
+++ b/include/local.h
@@ -361,4 +361,8 @@ int _snd_conf_generic_id(const char *id);
 	 const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
 	(type *)( (char *)__mptr - offsetof(type,member) );})
 
+#ifdef INTERNAL
+void *INTERNAL(snd_dlopen)(const char *name, int mode, char *errbuf, size_t errbuflen);
+#endif
+
 #endif
diff --git a/src/conf.c b/src/conf.c
index e71bb972..254c4858 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -3538,7 +3538,7 @@ static int snd_config_hooks_call(snd_config_t *root, snd_config_t *config, snd_c
 		buf[len-1] = '\0';
 		func_name = buf;
 	}
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	func = h ? snd_dlsym(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_HOOK)) : NULL;
 	err = 0;
 	if (!h) {
@@ -4531,7 +4531,7 @@ static int _snd_config_evaluate(snd_config_t *src,
 			buf[len-1] = '\0';
 			func_name = buf;
 		}
-		h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+		h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 		if (h)
 			func = snd_dlsym(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_EVALUATE));
 		err = 0;
diff --git a/src/dlmisc.c b/src/dlmisc.c
index b10aef4d..3757d331 100644
--- a/src/dlmisc.c
+++ b/src/dlmisc.c
@@ -277,7 +277,7 @@ void *snd_dlobj_cache_get(const char *lib, const char *name,
 	}
 
 	errbuf[0] = '\0';
-	dlobj = snd_dlopen(lib, RTLD_NOW,
+	dlobj = INTERNAL(snd_dlopen)(lib, RTLD_NOW,
 	                   verbose ? errbuf : 0,
 	                   verbose ? sizeof(errbuf) : 0);
 	if (dlobj == NULL) {
diff --git a/src/hwdep/hwdep.c b/src/hwdep/hwdep.c
index 7aa475c0..c5b3513d 100644
--- a/src/hwdep/hwdep.c
+++ b/src/hwdep/hwdep.c
@@ -116,7 +116,7 @@ static int snd_hwdep_open_conf(snd_hwdep_t **hwdep,
 #ifndef PIC
 	snd_hwdep_open_symbols();
 #endif
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	if (h)
 		open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_HWDEP_DLSYM_VERSION));
 	err = 0;
diff --git a/src/mixer/simple_abst.c b/src/mixer/simple_abst.c
index 32a3f621..9c61cb58 100644
--- a/src/mixer/simple_abst.c
+++ b/src/mixer/simple_abst.c
@@ -35,8 +35,7 @@
 #include <sys/ioctl.h>
 #include <math.h>
 #include <dlfcn.h>
-#include "config.h"
-#include "asoundlib.h"
+#include "mixer_local.h"
 #include "mixer_simple.h"
 
 #ifndef DOC_HIDDEN
@@ -81,7 +80,7 @@ static int try_open(snd_mixer_class_t *class, const char *lib)
 	strcpy(xlib, path);
 	strcat(xlib, "/");
 	strcat(xlib, lib);
-	h = snd_dlopen(xlib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(xlib, RTLD_NOW, errbuf, sizeof(errbuf));
 	if (h == NULL) {
 		SNDERR("Unable to open library '%s' (%s)", xlib, errbuf);
 		free(xlib);
@@ -128,7 +127,7 @@ static int try_open_full(snd_mixer_class_t *class, snd_mixer_t *mixer,
 	strcat(xlib, "/");
 	strcat(xlib, lib);
 	/* note python modules requires RTLD_GLOBAL */
-	h = snd_dlopen(xlib, RTLD_NOW|RTLD_GLOBAL, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(xlib, RTLD_NOW|RTLD_GLOBAL, errbuf, sizeof(errbuf));
 	if (h == NULL) {
 		SNDERR("Unable to open library '%s'", xlib);
 		free(xlib);
diff --git a/src/pcm/pcm_hooks.c b/src/pcm/pcm_hooks.c
index 1f08bd78..4416d363 100644
--- a/src/pcm/pcm_hooks.c
+++ b/src/pcm/pcm_hooks.c
@@ -424,7 +424,7 @@ static int snd_pcm_hook_add_conf(snd_pcm_t *pcm, snd_config_t *root, snd_config_
 		install = buf;
 		snprintf(buf, sizeof(buf), "_snd_pcm_hook_%s_install", str);
 	}
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	install_func = h ? snd_dlsym(h, install, SND_DLSYM_VERSION(SND_PCM_DLSYM_VERSION)) : NULL;
 	err = 0;
 	if (!h) {
diff --git a/src/pcm/pcm_meter.c b/src/pcm/pcm_meter.c
index 75df09ca..20b41876 100644
--- a/src/pcm/pcm_meter.c
+++ b/src/pcm/pcm_meter.c
@@ -670,7 +670,7 @@ static int snd_pcm_meter_add_scope_conf(snd_pcm_t *pcm, const char *name,
 		open_name = buf;
 		snprintf(buf, sizeof(buf), "_snd_pcm_scope_%s_open", str);
 	}
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	open_func = h ? dlsym(h, open_name) : NULL;
 	err = 0;
 	if (!h) {
diff --git a/src/rawmidi/rawmidi.c b/src/rawmidi/rawmidi.c
index 88d43017..2f419142 100644
--- a/src/rawmidi/rawmidi.c
+++ b/src/rawmidi/rawmidi.c
@@ -239,7 +239,7 @@ static int snd_rawmidi_open_conf(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp
 #ifndef PIC
 	snd_rawmidi_open_symbols();
 #endif
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	if (h)
 		open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_RAWMIDI_DLSYM_VERSION));
 	err = 0;
diff --git a/src/seq/seq.c b/src/seq/seq.c
index 983c4fab..c6a1ad15 100644
--- a/src/seq/seq.c
+++ b/src/seq/seq.c
@@ -899,7 +899,7 @@ static int snd_seq_open_conf(snd_seq_t **seqp, const char *name,
 #ifndef PIC
 	snd_seq_open_symbols();
 #endif
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	if (h)
 		open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_SEQ_DLSYM_VERSION));
 	err = 0;
diff --git a/src/timer/timer.c b/src/timer/timer.c
index 8c49737e..a96a8117 100644
--- a/src/timer/timer.c
+++ b/src/timer/timer.c
@@ -150,7 +150,7 @@ static int snd_timer_open_conf(snd_timer_t **timer,
 #ifndef PIC
 	snd_timer_open_symbols();
 #endif
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	if (h)
 		open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_TIMER_DLSYM_VERSION));
 	err = 0;
diff --git a/src/timer/timer_query.c b/src/timer/timer_query.c
index 6739f3c4..0e046df9 100644
--- a/src/timer/timer_query.c
+++ b/src/timer/timer_query.c
@@ -108,7 +108,7 @@ static int snd_timer_query_open_conf(snd_timer_query_t **timer,
 #ifndef PIC
 	snd_timer_query_open_symbols();
 #endif
-	h = snd_dlopen(lib, RTLD_NOW, errbuf, sizeof(errbuf));
+	h = INTERNAL(snd_dlopen)(lib, RTLD_NOW, errbuf, sizeof(errbuf));
 	if (h)
 		open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_TIMER_QUERY_DLSYM_VERSION));
 	err = 0;