diff --git a/src/sdf/sdf.c b/src/sdf/sdf.c
index ee186c4fb..183b3bad7 100755
--- a/src/sdf/sdf.c
+++ b/src/sdf/sdf.c
@@ -103,7 +103,7 @@ int sdf_print_device_info(FILE *fp, int fmt, int ind, const char *lable, SDF_DEV
 	void *hSession = NULL;
 	DEVICEINFO devInfo;
 
-	if (SDF_OpenSession(dev->handle, hSession) != SDR_OK
+	if (SDF_OpenSession(dev->handle, &hSession) != SDR_OK
 		|| SDF_GetDeviceInfo(hSession, &devInfo) != SDR_OK) {
 		error_print();
 		goto end;
diff --git a/src/sdf/sdf_meth.c b/src/sdf/sdf_meth.c
index 44b87e68f..e4b77a38d 100755
--- a/src/sdf/sdf_meth.c
+++ b/src/sdf/sdf_meth.c
@@ -97,7 +97,7 @@ SDF_METHOD *SDF_METHOD_load_library(const char *so_path)
 
 void SDF_METHOD_free(SDF_METHOD *meth)
 {
-	if (meth) free(meth->dso);
+	if (meth) dylib_close_library(meth->dso);
 	free(meth);
 }