diff --git a/src/kits/interface/Region.cpp b/src/kits/interface/Region.cpp
index d68f662c51..e9adcd78b8 100644
--- a/src/kits/interface/Region.cpp
+++ b/src/kits/interface/Region.cpp
@@ -111,7 +111,7 @@ BRegion::operator=(const BRegion& region)
 		fBounds = region.fBounds;
 		fCount = region.fCount;
 	}
-	
+
 	return *this;
 }
 
@@ -125,10 +125,10 @@ BRegion::operator==(const BRegion& other) const
 {
 	if (&other == this)
 		return true;
-	
+
 	if (fCount != other.fCount)
 		return false;
-	
+
 	return memcmp(fData, other.fData, fCount * sizeof(clipping_rect)) == 0;
 }
 
@@ -206,7 +206,7 @@ BRegion::RectAt(int32 index) const
 		const clipping_rect& r = fData[index];
 		return BRect(r.left, r.top, r.right - 1, r.bottom - 1);
 	}
-	
+
 	return BRect();
 		// an invalid BRect
 }
@@ -332,7 +332,8 @@ BRegion::PrintToStream() const
 
 	for (long i = 0; i < fCount; i++) {
 		clipping_rect *rect = &fData[i];
-		printf("data[%ld] = BRect(l:%ld.0, t:%ld.0, r:%ld.0, b:%ld.0)\n",
+		printf("data[%ld] = BRect(l:%" B_PRId32 ".0, t:%" B_PRId32
+			".0, r:%" B_PRId32 ".0, b:%" B_PRId32 ".0)\n",
 			i, rect->left, rect->top, rect->right - 1, rect->bottom - 1);
 	}
 }
@@ -393,7 +394,7 @@ BRegion::Include(clipping_rect rect)
 {
 	if (!valid_rect(rect))
 		return;
-		
+
 	// convert to internal rect format
 	rect.right ++;
 	rect.bottom ++;
@@ -442,7 +443,7 @@ BRegion::Exclude(clipping_rect rect)
 {
 	if (!valid_rect(rect))
 		return;
-		
+
 	// convert to internal rect format
 	rect.right ++;
 	rect.bottom ++;
@@ -568,7 +569,7 @@ BRegion::_SetSize(long newSize)
 		MakeEmpty();
 		return true;
 	}
-	
+
 	if (!fData) {
 		// allocation actually failed
 		fDataSize = 0;