diff --git a/src/tools/qtlibspatcher/qtlibspatchermain.cpp b/src/tools/qtlibspatcher/qtlibspatchermain.cpp
index d5c976c9e19..c186b8a895d 100644
--- a/src/tools/qtlibspatcher/qtlibspatchermain.cpp
+++ b/src/tools/qtlibspatcher/qtlibspatchermain.cpp
@@ -741,6 +741,7 @@ void patchTextFiles(const char *newInstallBase)
                 oldSourceBase, newSourceBase,
 #endif
                 oldInstallBase, newInstallBase);
+        delete[] fileName;
     }
 
     patchQMakeSpec(newInstallBase);