diff --git a/layout/generic/nsBlockFrame.cpp b/layout/generic/nsBlockFrame.cpp
index 0f465b1188b7..1febab2ece81 100644
--- a/layout/generic/nsBlockFrame.cpp
+++ b/layout/generic/nsBlockFrame.cpp
@@ -5092,7 +5092,7 @@ nsAnonymousBlockFrame::StealFirstFrame()
         if (firstChild == placeholderFrame) {
           // Remove placeholder from the line's floater array
           floaters.RemoveElementAt(i);
-          if (0 == floaters.Count) {
+          if (0 == floaters.Count()) {
             delete line->mFloaters;
             line->mFloaters = nsnull;
           }
diff --git a/layout/generic/nsBlockReflowState.cpp b/layout/generic/nsBlockReflowState.cpp
index 0f465b1188b7..1febab2ece81 100644
--- a/layout/generic/nsBlockReflowState.cpp
+++ b/layout/generic/nsBlockReflowState.cpp
@@ -5092,7 +5092,7 @@ nsAnonymousBlockFrame::StealFirstFrame()
         if (firstChild == placeholderFrame) {
           // Remove placeholder from the line's floater array
           floaters.RemoveElementAt(i);
-          if (0 == floaters.Count) {
+          if (0 == floaters.Count()) {
             delete line->mFloaters;
             line->mFloaters = nsnull;
           }
diff --git a/layout/generic/nsBlockReflowState.h b/layout/generic/nsBlockReflowState.h
index 0f465b1188b7..1febab2ece81 100644
--- a/layout/generic/nsBlockReflowState.h
+++ b/layout/generic/nsBlockReflowState.h
@@ -5092,7 +5092,7 @@ nsAnonymousBlockFrame::StealFirstFrame()
         if (firstChild == placeholderFrame) {
           // Remove placeholder from the line's floater array
           floaters.RemoveElementAt(i);
-          if (0 == floaters.Count) {
+          if (0 == floaters.Count()) {
             delete line->mFloaters;
             line->mFloaters = nsnull;
           }
diff --git a/layout/html/base/src/nsBlockFrame.cpp b/layout/html/base/src/nsBlockFrame.cpp
index 0f465b1188b7..1febab2ece81 100644
--- a/layout/html/base/src/nsBlockFrame.cpp
+++ b/layout/html/base/src/nsBlockFrame.cpp
@@ -5092,7 +5092,7 @@ nsAnonymousBlockFrame::StealFirstFrame()
         if (firstChild == placeholderFrame) {
           // Remove placeholder from the line's floater array
           floaters.RemoveElementAt(i);
-          if (0 == floaters.Count) {
+          if (0 == floaters.Count()) {
             delete line->mFloaters;
             line->mFloaters = nsnull;
           }
diff --git a/layout/html/base/src/nsBlockReflowState.cpp b/layout/html/base/src/nsBlockReflowState.cpp
index 0f465b1188b7..1febab2ece81 100644
--- a/layout/html/base/src/nsBlockReflowState.cpp
+++ b/layout/html/base/src/nsBlockReflowState.cpp
@@ -5092,7 +5092,7 @@ nsAnonymousBlockFrame::StealFirstFrame()
         if (firstChild == placeholderFrame) {
           // Remove placeholder from the line's floater array
           floaters.RemoveElementAt(i);
-          if (0 == floaters.Count) {
+          if (0 == floaters.Count()) {
             delete line->mFloaters;
             line->mFloaters = nsnull;
           }
diff --git a/layout/html/base/src/nsBlockReflowState.h b/layout/html/base/src/nsBlockReflowState.h
index 0f465b1188b7..1febab2ece81 100644
--- a/layout/html/base/src/nsBlockReflowState.h
+++ b/layout/html/base/src/nsBlockReflowState.h
@@ -5092,7 +5092,7 @@ nsAnonymousBlockFrame::StealFirstFrame()
         if (firstChild == placeholderFrame) {
           // Remove placeholder from the line's floater array
           floaters.RemoveElementAt(i);
-          if (0 == floaters.Count) {
+          if (0 == floaters.Count()) {
             delete line->mFloaters;
             line->mFloaters = nsnull;
           }