diff --git a/build/rules/global b/build/rules/global
index 97d229879..228bc0203 100644
--- a/build/rules/global
+++ b/build/rules/global
@@ -235,10 +235,15 @@ ifndef LIBPREFIX
 LIBPREFIX = lib
 endif
 
-ifeq ($(POCO_HOST_OSNAME),Darwin)
-SET_LD_LIBRARY_PATH = DYLD_LIBRARY_PATH=$(LIBPATH)
+ifeq ($(LIBPATH),$(POCO_BASE)/$(LIBDIR))
+LD_LIBRARY_PATH = $(LIBPATH)
 else
-SET_LD_LIBRARY_PATH = LD_LIBRARY_PATH=$(LIBPATH)
+LD_LIBRARY_PATH = $(LIBPATH):$(POCO_BASE)/$(LIBDIR)
+endif
+ifeq ($(POCO_HOST_OSNAME),Darwin)
+SET_LD_LIBRARY_PATH = DYLD_LIBRARY_PATH=$(LD_LIBRARY_PATH)
+else
+SET_LD_LIBRARY_PATH = LD_LIBRARY_PATH=$(LD_LIBRARY_PATH)
 endif
 
 #