diff --git a/CHANGELOG.md b/CHANGELOG.md
index d72d239bb2b..be486db7c18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,7 +26,7 @@
 
 ### Improvements
 
-- TODO ([#XXX](https://github.com/kedacore/keda/pull/XXX))
+- Support listing blobs recursively in azure-blob scaler ([#1789](https://github.com/kedacore/keda/issues/1789))
 
 ### Breaking Changes
 
diff --git a/pkg/scalers/azure_blob_scaler.go b/pkg/scalers/azure_blob_scaler.go
index ab3bbfefd16..a79b028a037 100644
--- a/pkg/scalers/azure_blob_scaler.go
+++ b/pkg/scalers/azure_blob_scaler.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net/http"
 	"strconv"
+	"strings"
 
 	"github.com/kedacore/keda/v2/pkg/scalers/azure"
 
@@ -81,12 +82,13 @@ func parseAzureBlobMetadata(config *ScalerConfig) (*azureBlobMetadata, kedav1alp
 		return nil, "", fmt.Errorf("no blobContainerName given")
 	}
 
-	if val, ok := config.TriggerMetadata["blobDelimiter"]; ok && val != "" {
-		meta.blobDelimiter = val
-	}
+	meta.blobDelimiter = config.TriggerMetadata["blobDelimiter"]
 
 	if val, ok := config.TriggerMetadata["blobPrefix"]; ok && val != "" {
-		meta.blobPrefix = val + meta.blobDelimiter
+		meta.blobPrefix = val
+		if !strings.HasSuffix(meta.blobPrefix, defaultBlobDelimiter) {
+			meta.blobPrefix += defaultBlobDelimiter
+		}
 	}
 
 	endpointSuffix, err := azure.ParseAzureStorageEndpointSuffix(config.TriggerMetadata, azure.BlobEndpoint)