diff --git a/modules/imgfmt/HGPdfImpl.cpp b/modules/imgfmt/HGPdfImpl.cpp
index c7c0ee48..e84ea860 100644
--- a/modules/imgfmt/HGPdfImpl.cpp
+++ b/modules/imgfmt/HGPdfImpl.cpp
@@ -566,7 +566,7 @@ HGResult HGPdfImageWriterImpl::Open(const HGChar* fileName)
 #if defined(HG_CMP_MSC)
 	strcat(dllPath, "pdflib.dll");
 #else
-	strcat(dllPath, "pdflib.so");
+	strcat(dllPath, "libpdf.so");
 #endif
 	HGResult ret = HGBase_CreateDll(dllPath, &m_dll);
 	if (HGBASE_ERR_OK != ret)