diff --git a/srcpkgs/PyInstaller/template b/srcpkgs/PyInstaller/template
index f88f5ac2790..043ae64147b 100644
--- a/srcpkgs/PyInstaller/template
+++ b/srcpkgs/PyInstaller/template
@@ -15,6 +15,8 @@ changelog="https://pyinstaller.readthedocs.io/en/v4.0/CHANGES.html"
 distfiles="https://github.com/pyinstaller/pyinstaller/releases/download/v${version}/pyinstaller-${version}.tar.gz"
 checksum=970beb07115761d5e4ec317c1351b712fd90ae7f23994db914c633281f99bab0
 
+CFLAGS="-Wno-stringop-truncation"
+
 post_extract() {
 	rm -rf PyInstaller/bootloader/*
 }