diff --git a/src/mock.cpp b/src/mock.cpp
index d0187fe..04e7ac9 100644
--- a/src/mock.cpp
+++ b/src/mock.cpp
@@ -45,7 +45,7 @@ namespace sta
 
     void BMI088::getRotation(float* x, float* y, float* z)
     {
-    	float omegas[3];
+    	float omegas[3] = {0.0f, 0.0f, 0.0f};
         spatz::request(STA_BMI088_GYRO_SPATZ_ID, omegas, 3);
 
         *x = omegas[0];
@@ -71,7 +71,7 @@ namespace sta
 
     void BMI088::getAcceleration(float* x, float* y, float* z)
     {
-        float acc[3];
+        float acc[3] = {0.0f, 0.0f, 0.0f};
         spatz::request(STA_BMI088_ACC_SPATZ_ID, acc, 3);
 
         *x = acc[0];