diff --git a/lang/ninja/src/build.sld b/lang/ninja/src/build.sld
index b1f7c79..9132c8f 100644
--- a/lang/ninja/src/build.sld
+++ b/lang/ninja/src/build.sld
@@ -171,12 +171,12 @@
         ; This file is produced by another build edge. Add it to our input vfs.
         (input-file
           (let ((prev-copy-input-files copy-input-files))
-            (if (string-prefix? "/nix/store" path)
+            (if (string-prefix? "/nix/store" (normalize-path path))
               (set! copy-input-files #~,(string-append #$prev-copy-input-files "\n" "$COREUTILS/mkdir -p $($COREUTILS/dirname " path "); $COREUTILS/cp -rf --preserve=timestamps " #$(force input-file) " /" path))
               (set! copy-input-files #~,(string-append #$prev-copy-input-files "\n" "$COREUTILS/mkdir -p bdir/" (build-env-build-dir env) "/$($COREUTILS/dirname " path "); $COREUTILS/cp -rf --preserve=timestamps " #$(force input-file) " bdir/" (build-env-build-dir env) "/" path)))))
 
         (else
-          (unless (string-prefix? "/nix/store" path)
+          (unless (string-prefix? "/nix/store" (normalize-path path))
             (error "Path doesn't exist as build edge" (list path (build-edge-outputs current-edge))))))
 
       ; Workaround for Meson not adding the .so as build dependency when linking, instead using a .symbols file.
@@ -216,6 +216,17 @@
             (append-file input)))
          (append (build-edge-inputs so-edge) (build-edge-implicit-dependencies so-edge) (build-edge-order-only-dependencies so-edge)))))
 
+      ; When we depend on a thinly-linked static library, depend on _its_ inputs;
+      ; this is necessary to ensure the thin archive can be resolved.
+      (when
+       (and input-edge
+        (string=? (build-edge-rule (built-edge-edge input-edge)) "STATIC_LINKER")
+        (let 
+          ((link-args (mapping-ref/default (build-edge-variables (built-edge-edge input-edge)) "LINK_ARGS" "")))
+          (or (string-contains link-args "T") (string-contains link-args "--thin"))))
+       (for-each append-file
+        (build-edge-inputs (built-edge-edge input-edge))))
+
       (when (string=? path "PHONY")
        (set! is-meson-phony #t)))