diff --git a/src/main/java/ai/reveng/toolkit/ghidra/core/services/api/GhidraRevengService.java b/src/main/java/ai/reveng/toolkit/ghidra/core/services/api/GhidraRevengService.java
index 41aea3f0..320474f6 100644
--- a/src/main/java/ai/reveng/toolkit/ghidra/core/services/api/GhidraRevengService.java
+++ b/src/main/java/ai/reveng/toolkit/ghidra/core/services/api/GhidraRevengService.java
@@ -925,10 +925,9 @@ public BoxPlot getNameScoreForMatch(GhidraFunctionMatch functionMatch) {
 
     }
 
-    public static final String PORTAL_FUNCTIONS = "function/";
-
     public void openFunctionInPortal(TypedApiInterface.FunctionID functionID) {
-        openPortal(PORTAL_FUNCTIONS, String.valueOf(functionID.value()));
+        var details = api.getFunctionDetails(functionID);
+        openPortal("analyses", String.format("%s?fn=%s", details.analysisId().id(), functionID.value()));
     }
 
     public void openCollectionInPortal(Collection collection) {
@@ -951,13 +950,7 @@ public void openPortalFor(ProgramWithID programWithID) {
     }
 
     public void openPortalFor(TypedApiInterface.AnalysisID analysisID) {
-        var binaryID = getBinaryIDFromAnalysisID(analysisID);
-        // The URL expects the old binary ID in the path, and then the analysis ID in the query
-        // if the binary ID is valid, it takes precedence,
-        // and we have to provide _something_ for the overall URL to be valid, but we can just pass a placeholder value
-        openPortal("analyses", String.format("%s?analysis-id=%s",
-                binaryID.map(BinaryID::value).orElse(-1),
-                analysisID.id()));
+        openPortal("analyses", String.valueOf(analysisID.id()));
     }
 
     public void openPortal(String... subPath) {