diff --git a/recipes/libs/mesa/recipe.toml b/recipes/libs/mesa/recipe.toml
index d473cc8c2..d581c1b31 100644
--- a/recipes/libs/mesa/recipe.toml
+++ b/recipes/libs/mesa/recipe.toml
@@ -13,8 +13,8 @@ dependencies = [
 script = """
 DYNAMIC_INIT
 
-export CFLAGS+="-I${COOKBOOK_SYSROOT}/include -DHAVE_PTHREAD=1"
-export CPPFLAGS+="-I${COOKBOOK_SYSROOT}/include -DHAVE_PTHREAD=1"
+export CFLAGS+=" -DHAVE_PTHREAD=1"
+export CPPFLAGS+=" -DHAVE_PTHREAD=1"
 export LLVM_CONFIG="${TARGET}-llvm-config"
 
 if [[ -n "${COOKBOOK_PREFER_STATIC}" ]]; then