diff --git a/Jamconfig.in b/Jamconfig.in
index 08548ea..dd43175 100644
--- a/Jamconfig.in
+++ b/Jamconfig.in
@@ -78,11 +78,7 @@ if $(SUN_COMPILER) {
 # global flags used to be passed to every target
 GLOBALFLAGS ?= $(WALL) $(PEDANTIC) -DHAVE_CONFIG_H -I$(TOP) $(OPTIMFLAGS) $(DEBUGFLAGS) $(LARGEFILEFLAGS) ;
 STDLIB      ?= -lstdc++ ;
-
-# NetBSD requires explicit -lm for libstdc++
-if $(OS) = "NETBSD" {
-	if $(STDLIB) = "-lstdc++" { $(STDLIB) += "-lm" ; }
-}
+LIBM        ?= -lm ;
 
 # Note that REMOVE_UNUSED_DEPENDENCIES_TRICK _does not_ works when
 # edelib is compiled as shared library (or when is linked with some shared library)