diff --git a/samples/04_julia/main.cpp b/samples/04_julia/main.cpp
index 9760e8c..a1ca8bc 100644
--- a/samples/04_julia/main.cpp
+++ b/samples/04_julia/main.cpp
@@ -177,7 +177,7 @@ int main(
                 0,
                 gwx * gwy * sizeof(cl_uchar4) ) );
 
-        stbi_write_bmp(filename, gwx, gwy, 4, buf);
+        stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
         printf("Wrote image file %s\n", filename);
 
         commandQueue.enqueueUnmapMemObject(
diff --git a/samples/04_sobel/main.cpp b/samples/04_sobel/main.cpp
index 43181b3..116d038 100644
--- a/samples/04_sobel/main.cpp
+++ b/samples/04_sobel/main.cpp
@@ -238,7 +238,7 @@ int main(
                 0,
                 gwx * gwy * sizeof(cl_uchar4) ) );
 
-        stbi_write_bmp(filename, gwx, gwy, 4, buf);
+        stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
         printf("Wrote image file %s\n", filename);
 
         commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main-part1solution.cpp b/tutorials/interceptlayer/main-part1solution.cpp
index 185e5e4..c94452f 100644
--- a/tutorials/interceptlayer/main-part1solution.cpp
+++ b/tutorials/interceptlayer/main-part1solution.cpp
@@ -148,7 +148,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main-part2solution.cpp b/tutorials/interceptlayer/main-part2solution.cpp
index a91a2fc..c99914a 100644
--- a/tutorials/interceptlayer/main-part2solution.cpp
+++ b/tutorials/interceptlayer/main-part2solution.cpp
@@ -148,7 +148,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main-part3solution.cpp b/tutorials/interceptlayer/main-part3solution.cpp
index 4912ec3..a8e84fa 100644
--- a/tutorials/interceptlayer/main-part3solution.cpp
+++ b/tutorials/interceptlayer/main-part3solution.cpp
@@ -147,7 +147,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main-part4solution.cpp b/tutorials/interceptlayer/main-part4solution.cpp
index f802774..3bf5231 100644
--- a/tutorials/interceptlayer/main-part4solution.cpp
+++ b/tutorials/interceptlayer/main-part4solution.cpp
@@ -143,7 +143,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main-part5solution.cpp b/tutorials/interceptlayer/main-part5solution.cpp
index 06e0f48..ff5d070 100644
--- a/tutorials/interceptlayer/main-part5solution.cpp
+++ b/tutorials/interceptlayer/main-part5solution.cpp
@@ -143,7 +143,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main-start.cpp b/tutorials/interceptlayer/main-start.cpp
index 11e8959..c4cadbd 100644
--- a/tutorials/interceptlayer/main-start.cpp
+++ b/tutorials/interceptlayer/main-start.cpp
@@ -148,7 +148,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(
diff --git a/tutorials/interceptlayer/main.cpp b/tutorials/interceptlayer/main.cpp
index 11e8959..c4cadbd 100644
--- a/tutorials/interceptlayer/main.cpp
+++ b/tutorials/interceptlayer/main.cpp
@@ -148,7 +148,7 @@ static void checkResults()
             0,
             gwx * gwy * sizeof(cl_uchar4) ) );
 
-    stbi_write_bmp(filename, gwx, gwy, 4, buf);
+    stbi_write_bmp(filename, (int)gwx, (int)gwy, 4, buf);
     printf("Wrote image file %s\n", filename);
 
     commandQueue.enqueueUnmapMemObject(