diff --git a/config/nim.cfg b/config/nim.cfg
index 0373de1354..8c8270f3eb 100644
--- a/config/nim.cfg
+++ b/config/nim.cfg
@@ -66,7 +66,7 @@ path="$lib/pure"
 @end
 
 @if unix:
-  @if not bsd:
+  @if not bsd or haiku:
     # -fopenmp
     gcc.options.linker = "-ldl"
     gcc.cpp.options.linker = "-ldl"
@@ -80,6 +80,14 @@ path="$lib/pure"
     # at least NetBSD has problems with thread local storage:
     tlsEmulation:on
   @end
+  @if haiku:
+    # -fopenmp
+    gcc.options.linker = "-lroot -lnetwork"
+    gcc.cpp.options.linker = "-lroot -lnetwork"
+    clang.options.linker = "-lroot -lnetwork"
+    clang.cpp.options.linker = "-lroot -lnetwork"
+    tcc.options.linker = "-lroot -lnetwork"
+  @end
 @end
 
 # Configuration for the Intel C/C++ compiler: