diff --git a/example1/README.md b/example1/README.md
index b8fefba..4901c3b 100644
--- a/example1/README.md
+++ b/example1/README.md
@@ -79,7 +79,7 @@ if (!descriptor) {
 
 // Extract face descriptor.
 // This is typically the most time-consuming task.
-fsdk::ResultValue<FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
+fsdk::ResultValue<fsdk::FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
         image,
         detections[bestDetectionIndex],
         landmarks5[bestDetectionIndex],
diff --git a/example1/main.cpp b/example1/main.cpp
index 8d9cd60..3e072f4 100644
--- a/example1/main.cpp
+++ b/example1/main.cpp
@@ -214,7 +214,7 @@ fsdk::IDescriptorPtr extractDescriptor(
 
     // Extract face descriptor.
     // This is typically the most time-consuming task.
-    fsdk::ResultValue<FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
+    fsdk::ResultValue<fsdk::FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
             image,
             detections[bestDetectionIndex],
             landmarks5[bestDetectionIndex],
diff --git a/example5/main.cpp b/example5/main.cpp
index 8a180e3..c373bbc 100644
--- a/example5/main.cpp
+++ b/example5/main.cpp
@@ -321,7 +321,7 @@ fsdk::IDescriptorPtr extractDescriptor(
 
     // Extract face descriptor.
     // This is typically the most time-consuming task.
-    fsdk::ResultValue<FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
+    fsdk::ResultValue<fsdk::FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
             image,
             detections[bestDetectionIndex],
             landmarks5[bestDetectionIndex],
diff --git a/example6/main.cpp b/example6/main.cpp
index 24e4bbc..b01f01c 100644
--- a/example6/main.cpp
+++ b/example6/main.cpp
@@ -135,7 +135,7 @@ int main(int argc, char *argv[])
 
         // Extract face descriptor.
         // This is typically the most time-consuming task.
-        fsdk::ResultValue<FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
+        fsdk::ResultValue<fsdk::FSDKError, float> descriptorExtractorResult = descriptorExtractor->extract(
                 image,
                 detections[detectionIndex],
                 landmarks5[detectionIndex],