diff --git a/src/Debug/debugger.cpp b/src/Debug/debugger.cpp
index f84651b0..34aac402 100644
--- a/src/Debug/debugger.cpp
+++ b/src/Debug/debugger.cpp
@@ -394,15 +394,15 @@ void Debugger::printValue(const StackValue *v, const uint32_t idx,
                      v->value.uint64);
             break;
         case F32:
-            snprintf(buff, 255, R"("type":"F32","value":")" FMT(PRIx32) "\"",
+            snprintf(buff, 255, R"("type":"F32","value":")" FMT(PRIi32) "\"",
                      v->value.uint32);
             break;
         case F64:
-            snprintf(buff, 255, R"("type":"F64","value":")" FMT(PRIx64) "\"",
+            snprintf(buff, 255, R"("type":"F64","value":")" FMT(PRIi64) "\"",
                      v->value.uint64);
             break;
         default:
-            snprintf(buff, 255, R"("type":"%02x","value":")" FMT(PRIx64) "\"",
+            snprintf(buff, 255, R"("type":"%02x","value":")" FMT(PRIi64) "\"",
                      v->value_type, v->value.uint64);
     }
     this->channel->write(R"({"idx":%d,%s}%s)", idx, buff, end ? "" : ",");
diff --git a/tests/latch/src/r3.test.ts b/tests/latch/src/r3.test.ts
new file mode 100644
index 00000000..5e0020b0
--- /dev/null
+++ b/tests/latch/src/r3.test.ts
@@ -0,0 +1,36 @@
+import {EmulatorSpecification, Framework, Kind, Message, StyleType, Suite, TestScenario} from 'latch';
+import * as fs from 'fs';
+import * as path from 'path';
+
+const framework = Framework.getImplementation();
+framework.reporter.style(StyleType.github);
+
+// TODO disclaimer: file is currently disabled until latch supports AS compilation
+
+const suite: Suite = framework.suite('End-to-end tests: R3 benchmark suite');
+
+suite.testee('emulator [:8530]', new EmulatorSpecification(8530));
+
+const scenarios: TestScenario[] = [];
+const r3Directory = path.resolve(__dirname, '../static/r3');
+console.error(r3Directory)
+
+if (fs.existsSync(r3Directory)) {
+    fs.readdirSync(r3Directory)
+        .filter((file: string) => file.endsWith('.wat'))
+        .forEach((wasmFile: string) => {
+            scenarios.push({
+                title: `R3: ${wasmFile}`,
+                program: path.join(r3Directory, wasmFile),
+                dependencies: [],
+                steps: [{
+                    title: `Run ${wasmFile}`,
+                    instruction: {kind: Kind.Request, value: Message.run}
+                }]
+            });
+        });
+}
+
+suite.tests(scenarios);
+
+framework.analyse([suite]);
diff --git a/tests/latch/src/spec.test.ts b/tests/latch/src/spec.test.ts
index dcc1a06a..630f8cf7 100644
--- a/tests/latch/src/spec.test.ts
+++ b/tests/latch/src/spec.test.ts
@@ -65,7 +65,7 @@ spec.testee('emulator [:8500]', new EmulatorSpecification(8500));
 //spec.testee('esp wrover', new ArduinoSpecification('/dev/ttyUSB0', 'esp32:esp32:esp32wrover'), new HybridScheduler());
 spec.tests(tests);
 
-framework.run([spec]);
+framework.analyse([spec]);
 
 // Helper function