diff --git a/headers/private/shared/Array.h b/headers/private/shared/Array.h
index 82ec15be32..89e9934ace 100644
--- a/headers/private/shared/Array.h
+++ b/headers/private/shared/Array.h
@@ -150,8 +150,8 @@ Array<Element>::Remove(int32 index, int32 count)
 	if (index < 0 || count < 0 || index + count > fSize) {
 #if DEBUG
 		char buffer[128];
-		snprintf(buffer, sizeof(buffer), "Array::Remove(): index: %ld, "
-			"count: %ld, size: %ld", index, count, fSize);
+		snprintf(buffer, sizeof(buffer), "Array::Remove(): index: %" B_PRId32
+		", count: %" B_PRId32 ", size: %" B_PRId32, index, count, fSize);
 		debugger(buffer);
 #endif
 		return false;
diff --git a/src/kits/interface/ColumnListView.cpp b/src/kits/interface/ColumnListView.cpp
index c89e77284c..2462cb94a3 100644
--- a/src/kits/interface/ColumnListView.cpp
+++ b/src/kits/interface/ColumnListView.cpp
@@ -454,7 +454,7 @@ BRow::BRow(float height)
 BRow::~BRow()
 {
 	while (true) {
-		BField* field = (BField*) fFields.RemoveItem(0L);
+		BField* field = (BField*) fFields.RemoveItem((int32)0);
 		if (field == 0)
 			break;
 
@@ -752,7 +752,7 @@ BColumnListView::BColumnListView(const char* name, uint32 flags,
 
 BColumnListView::~BColumnListView()
 {
-	while (BColumn* column = (BColumn*)fColumns.RemoveItem(0L))
+	while (BColumn* column = (BColumn*)fColumns.RemoveItem((int32)0))
 		delete column;
 }
 
diff --git a/src/kits/interface/ColumnTypes.cpp b/src/kits/interface/ColumnTypes.cpp
index 82a8fef579..ef3404fee6 100644
--- a/src/kits/interface/ColumnTypes.cpp
+++ b/src/kits/interface/ColumnTypes.cpp
@@ -406,9 +406,9 @@ BSizeColumn::DrawField(BField* _field, BRect rect, BView* parent)
 
 	parent->GetFont(&font);
 	if (size < kKB_SIZE) {
-		sprintf(str, "%Ld bytes", size);
+		sprintf(str, "%" B_PRId64 " bytes", size);
 		if (font.StringWidth(str) > width)
-			sprintf(str, "%Ld B", size);
+			sprintf(str, "%" B_PRId64 " B", size);
 	} else {
 		const char*	suffix;
 		float float_value;