diff --git a/examples/BUILD b/examples/BUILD
index bdddceb..f5fb392 100644
--- a/examples/BUILD
+++ b/examples/BUILD
@@ -16,7 +16,7 @@ cc_binary(
     name = "send_hello",
     srcs = ["e02_send_hello.c"],
     copts = ["-DLOGGER_ENABLE"],
-    linkopts = ["-pthread"],
+    linkopts = ["-pthread", "-lm"],
     deps = [
         "//iota_client_service:config",
         "//iota_client_service:service",
@@ -68,7 +68,7 @@ cc_binary(
     name = "send_tokens",
     srcs = ["e06_send_tokens.c"],
     copts = ["-DLOGGER_ENABLE"],
-    linkopts = ["-pthread"],
+    linkopts = ["-pthread", "-lm"],
     deps = [
         "//iota_client_service:config",
         "//iota_client_service:service",
diff --git a/examples/e04_generate_address.c b/examples/e04_generate_address.c
index f9b1fb2..1661c91 100644
--- a/examples/e04_generate_address.c
+++ b/examples/e04_generate_address.c
@@ -7,6 +7,8 @@
 #include "iota_client_service/config.h"
 #include "iota_client_service/client_service.h"
 
+#include "iota_client_service/config.h"
+
 static tryte_t const *const SEED =
         (tryte_t *)"G9JEMIRJKUXDKUPPAIMEQSGVADYLSJRSBTEIRDWSCTLCVQOJWBM9XESTWTSONOTDDQUXMYCNVAKZWPPYW";
 
@@ -58,4 +60,4 @@ int main(void){
     }else{
         printf("Addresses generated with error code: %i\n", ret);
     }
-}
\ No newline at end of file
+}