diff --git a/samples/gitchurn/build.gradle b/samples/gitchurn/build.gradle
index 7232ab562c2..fb04f4b815c 100644
--- a/samples/gitchurn/build.gradle
+++ b/samples/gitchurn/build.gradle
@@ -1,5 +1,7 @@
 apply plugin: 'konan'
 
+konan.targets = ['macbook', 'linux']
+
 konanArtifacts {
     interop('libgit2') {
 	target('linux') {
diff --git a/samples/gtk/build.gradle b/samples/gtk/build.gradle
index c76e0db1bb9..51cffd6e484 100644
--- a/samples/gtk/build.gradle
+++ b/samples/gtk/build.gradle
@@ -1,5 +1,7 @@
 apply plugin: 'konan'
 
+konan.targets = ['macbook', 'linux', 'raspberrypi']
+
 def includePrefixes = [ '/opt/local/include', '/usr/include', '/usr/local/include' ]
 
 konanArtifacts {
diff --git a/samples/libcurl/build.gradle b/samples/libcurl/build.gradle
index e812db46e2a..c5bdb8ba4a3 100644
--- a/samples/libcurl/build.gradle
+++ b/samples/libcurl/build.gradle
@@ -1,5 +1,7 @@
 apply plugin: 'konan'
 
+konan.targets = ['macbook', 'linux', 'raspberrypi']
+
 konanArtifacts {
     interop('libcurl') {
         target('linux') {
diff --git a/samples/nonBlockingEchoServer/build.gradle b/samples/nonBlockingEchoServer/build.gradle
index 7499064f7cd..26cf89fc6bc 100644
--- a/samples/nonBlockingEchoServer/build.gradle
+++ b/samples/nonBlockingEchoServer/build.gradle
@@ -1,5 +1,7 @@
 apply plugin: 'konan'
 
+konan.targets = ['macbook', 'linux', 'raspberrypi']
+
 konanArtifacts {
     program('EchoServer')
 }
diff --git a/samples/tensorflow/build.gradle b/samples/tensorflow/build.gradle
index 29c260e8a63..9d58df1d72c 100644
--- a/samples/tensorflow/build.gradle
+++ b/samples/tensorflow/build.gradle
@@ -1,5 +1,7 @@
 apply plugin: 'konan'
 
+konan.targets = ['macbook', 'linux']
+
 def tensorflowHome = "${System.getProperty("user.home")}/.konan/third-party/tensorflow"
 
 konanArtifacts {