diff --git a/NEWS.md b/NEWS.md
index 3ba8bb18..3c6da6ba 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -16,6 +16,7 @@ Red Panda C++ Version 1.0.3
   - fix: can't build project that has source files in subfolders
   - fix: can't build project that has custom object folder
   - fix: buttons in the project option dialog's output page don't work
+  - fix: don't add non-project header files to makefile's object rules
 
 Red Panda C++ Version 1.0.2
   - enhancement: press tab in column mode won't exit column mode
diff --git a/RedPandaIDE/compiler/projectcompiler.cpp b/RedPandaIDE/compiler/projectcompiler.cpp
index 8bd8b1df..5f55c4b5 100644
--- a/RedPandaIDE/compiler/projectcompiler.cpp
+++ b/RedPandaIDE/compiler/projectcompiler.cpp
@@ -343,7 +343,13 @@ void ProjectCompiler::writeMakeObjFilesRules(QFile &file)
                     continue;
                 if (!parser->isSystemHeaderFile(headerName)
                         && ! parser->isProjectHeaderFile(headerName)) {
-                    objStr = objStr + ' ' + genMakePath2(extractRelativePath(mProject->makeFileName(),headerName));
+                    for (int j = 0;j<mProject->units().count();j++) {
+                        PProjectUnit unit2 = mProject->units()[j];
+                        if (unit2->fileName()==headerName) {
+                            objStr = objStr + ' ' + genMakePath2(extractRelativePath(mProject->makeFileName(),headerName));
+                            break;
+                        }
+                    }
                 }
             }
         } else {