diff --git a/src/libsbmlnetwork_sbmldocument_layout.cpp b/src/libsbmlnetwork_sbmldocument_layout.cpp
index ff8df03..3aedc1f 100644
--- a/src/libsbmlnetwork_sbmldocument_layout.cpp
+++ b/src/libsbmlnetwork_sbmldocument_layout.cpp
@@ -726,7 +726,7 @@ int setSpeciesReferenceCurveSegmentBasePoint1X(SBMLDocument* document, unsigned
 }
 
 double getSpeciesReferenceCurveSegmentBasePoint1Y(SBMLDocument* document, const std::string& reactionId, unsigned int reactionGlyphIndex, unsigned int speciesReferenceIndex, unsigned int curveSegmentIndex) {
-    return getCurveSegmentBasePoint1X(getSpeciesReference(getLayout(document), reactionId, reactionGlyphIndex, speciesReferenceIndex), curveSegmentIndex);
+    return getCurveSegmentBasePoint1Y(getSpeciesReference(getLayout(document), reactionId, reactionGlyphIndex, speciesReferenceIndex), curveSegmentIndex);
 }
 
 double getSpeciesReferenceCurveSegmentBasePoint1Y(SBMLDocument* document, unsigned int layoutIndex, const std::string& reactionId, unsigned int reactionGlyphIndex, unsigned int speciesReferenceIndex, unsigned int curveSegmentIndex) {