diff --git a/fpdfsdk/fpdf_signature_embeddertest.cpp b/fpdfsdk/fpdf_signature_embeddertest.cpp
index 5df611a..7e1f0fc 100644
--- a/fpdfsdk/fpdf_signature_embeddertest.cpp
+++ b/fpdfsdk/fpdf_signature_embeddertest.cpp
@@ -81,7 +81,7 @@
   ASSERT_EQ(kExpectedByteRange, byte_range);
 
   // FPDFSignatureObj_GetByteRange() negative testing.
-  ASSERT_EQ(0U, FPDFSignatureObj_GetContents(nullptr, nullptr, 0));
+  ASSERT_EQ(0U, FPDFSignatureObj_GetByteRange(nullptr, nullptr, 0));
 
   byte_range.resize(2);
   byte_range[0] = 0;