diff --git a/libxc.spec b/libxc.spec
index 83a294c..0171d04 100644
--- a/libxc.spec
+++ b/libxc.spec
@@ -116,6 +116,8 @@ sed -i "s|@SOVERSION@|%{soversion}|g" pylibxc/core.py
 %build
 # Don't insert C code during preprocessing
 export FCCPP="cpp -ffreestanding"
+# Disable var tracking assignments for C sources, since it fails anyhow due to the size of the sources
+export CFLAGS="%{optflags} -fnovar-tracking-assignments"
 %configure --enable-shared --disable-static --enable-vxc --enable-fxc --enable-kxc --enable-lxc
 # Remove rpath
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool