diff --git a/examples/lte_lwm2m/object_test.c b/examples/lte_lwm2m/object_test.c
index 3563b211c..293d707c4 100644
--- a/examples/lte_lwm2m/object_test.c
+++ b/examples/lte_lwm2m/object_test.c
@@ -559,7 +559,7 @@ lwm2m_object_t * get_test_object(void)
             targetP->dec     = -30 + i + (double)i/100.0;
             char * str = lwm2m_malloc(i + 1);
             str[0] = 0;
-            for (int j = 0; j <= i; j++) {
+            for (int j = 0; j < i; j++) {
                 strcat(str, "I");
             }
             targetP->str     = str;
diff --git a/externals/lwm2m/wakaama/examples/client/object_test.c b/externals/lwm2m/wakaama/examples/client/object_test.c
index 3563b211c..293d707c4 100644
--- a/externals/lwm2m/wakaama/examples/client/object_test.c
+++ b/externals/lwm2m/wakaama/examples/client/object_test.c
@@ -559,7 +559,7 @@ lwm2m_object_t * get_test_object(void)
             targetP->dec     = -30 + i + (double)i/100.0;
             char * str = lwm2m_malloc(i + 1);
             str[0] = 0;
-            for (int j = 0; j <= i; j++) {
+            for (int j = 0; j < i; j++) {
                 strcat(str, "I");
             }
             targetP->str     = str;