diff --git a/nimterop/build.nim b/nimterop/build.nim
index b5cdc59..28f2b3c 100644
--- a/nimterop/build.nim
+++ b/nimterop/build.nim
@@ -176,7 +176,7 @@ proc cpFile*(source, dest: string, psymlink = false, move = false) =
           "mv -f"
         else:
           if psymlink:
-            "cp -fd"
+            "cp -fa"
           else:
             "cp -f"
 
@@ -1055,7 +1055,7 @@ proc getDynlibExt(): string =
   elif defined(linux) or defined(FreeBSD):
     result = "\\.so[0-9.]*"
   elif defined(macosx):
-    result = "\\.dylib[0-9.]*"
+    result = "[0-9.\\-]*\\.dylib"
 
 var
   gDefines {.compileTime.} = initTable[string, string]()
diff --git a/nimterop/jbb.nim b/nimterop/jbb.nim
index 3e7e623..de59a87 100644
--- a/nimterop/jbb.nim
+++ b/nimterop/jbb.nim
@@ -94,7 +94,7 @@ proc parseJBBArtifacts(pkg: JBBPackage, outdir: string) =
           break
 
 proc findJBBLibs(pkg: JBBPackage, outdir: string) =
-  pkg.sharedLibs = findFiles("(bin|lib)[\\\\/].*\\.(so|dll|dynlib)[0-9.]*", outdir)
+  pkg.sharedLibs = findFiles("(bin|lib)[\\\\/].*\\.(so|dll|dylib)[0-9.]*", outdir)
 
   for lib in findFiles("lib[\\\\/].*\\.(a|lib)$", outdir):
     if not lib.endsWith(".dll.a"):