diff --git a/pixelinkWrapper/pixelink.py b/pixelinkWrapper/pixelink.py
index 5f75431..e20f1af 100644
--- a/pixelinkWrapper/pixelink.py
+++ b/pixelinkWrapper/pixelink.py
@@ -94,7 +94,6 @@ def _isApiSupported(minApiNumbers, curApiNumbers):
 
     else: # on Linux
         ## Loads Pixelink API library
-        _Api = CDLL('libPxLApi.so')
 
         ## Verifies that the loaded Pixelink API version is supported
         _minApiVersion = "4.2.2.11" # minimum Pixelink API version supported
@@ -103,8 +102,15 @@ def _isApiSupported(minApiNumbers, curApiNumbers):
         _completedProcess = subprocess.run(_pxlApiSearch, shell=True, text=True, capture_output=True, check=True)
         _pxlApiPath = _completedProcess.stdout
         # Finds current version of Pixelink API
+        try:
+            # first try using the SimLink to the SO:
+            _Api = CDLL('libPxLApi.so')
+        except OSError:
+            # if this fails, use the results of the
+            # find command inside $PIXELINK_SDK_LIB
+            _Api = CDLL(_pxlApiList.split("\n")[-1])
         _pxlApiList = _pxlApiPath.split("/")
-        _curApiVersion = _pxlApiList[len(_pxlApiList)-1].replace("libPxLApi.so.", "").replace("libPxLApiLite.so.", "").strip()
+        _curApiVersion = _pxlApiList[-1].replace("libPxLApi.so.", "").replace("libPxLApiLite.so.", "").strip()
         # Checks if the loaded Pixelink API is supported
         if _isApiSupported(_minApiVersion.split("."), _curApiVersion.split(".")):
             print("\nWARNING: Pixelink API Version {0} detected. This Python wrapper was designed to\n" 
@@ -1376,14 +1382,14 @@ def getNextNumPyFrame(hCamera, frame=None):
         """
         ctFrameDesc = PxLApi._FrameDesc()
         ctFrameDesc.uSize = sizeof(ctFrameDesc) # The API needs to know the version of descriptor
-        if (frame is None or (0 == frame.size)):
+        if (frame is None or (0 == frame.nbytes)):
             # Special case where the user doesn't want a frame with this call -- rather just (sw) triggers a frame for a callback
             ctBufferSize = -1
             rc = PxLApi._Api.PxLGetNextFrame(hCamera, ctBufferSize, 0, byref(ctFrameDesc))
             if(not(PxLApi.apiSuccess(rc))):
                 return (rc,)
         else:
-            ctBufferSize = frame.size
+            ctBufferSize = frame.nbytes
             rc = PxLApi._Api.PxLGetNextFrame(hCamera, ctBufferSize, frame.ctypes.data_as(c_void_p), byref(ctFrameDesc))
             if(not(PxLApi.apiSuccess(rc))):
                 return (rc,)