diff --git a/NEWS.md b/NEWS.md
index a7d1d7b9..ca6c6bb8 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -23,6 +23,7 @@ Red Panda C++ Version 2.18
   - enhancement: Add option in the debug settings, to limit the length of the ouput generated by gdb for arrays.
   - enhancement: Show shortcut info in toolbar's tooltip.
   - change: Use F11 as the shortcut for "Run". (It's the old shortcut for "Compile&Run")
+  - fix: Crash when directive line ends with '\' and at the last line.
 
 
 Red Panda C++ Version 2.17
diff --git a/RedPandaIDE/parser/cpppreprocessor.cpp b/RedPandaIDE/parser/cpppreprocessor.cpp
index 5d2ba57f..4cf038d2 100644
--- a/RedPandaIDE/parser/cpppreprocessor.cpp
+++ b/RedPandaIDE/parser/cpppreprocessor.cpp
@@ -1071,9 +1071,9 @@ void CppPreprocessor::preprocessBuffer()
 
 void CppPreprocessor::skipToEndOfPreprocessor()
 {
-    int bufferCount = mBuffer.count();
+    int indexLimit = mBuffer.count()-1;
     // Skip until last char of line is NOT \ anymore
-    while ((mIndex < bufferCount) && mBuffer[mIndex].endsWith('\\'))
+    while ((mIndex < indexLimit) && mBuffer[mIndex].endsWith('\\'))
         mIndex++;
 }