diff --git a/build/Linux/Makefile b/build/Linux/Makefile
index 2a0a396..d08b6df 100755
--- a/build/Linux/Makefile
+++ b/build/Linux/Makefile
@@ -56,7 +56,7 @@ docdir = $(datarootdir)/doc/epanet
 CC = gcc
 CFLAGS = -g -O3 -fPIC
 CPPFLAGS = -I $(epanetincludedir)
-LDFLAGS = -L . -W1,-rpath,$(libdir) -lm
+LDFLAGS = -L . -Wl,-rpath,$(libdir) -lm
 
 # Installer
 INSTALL = install
diff --git a/build/Linux/Makefile_Rev b/build/Linux/Makefile_Rev
index f6e33bc..488e471 100755
--- a/build/Linux/Makefile_Rev
+++ b/build/Linux/Makefile_Rev
@@ -59,7 +59,7 @@ docdir = $(datarootdir)/doc/epanet
 CC = gcc
 CFLAGS = -g -O3 -fPIC
 CPPFLAGS = -I $(epanetincludedir)
-LDFLAGS = -L . -W1,-rpath,$(libdir) -lm
+LDFLAGS = -L . -Wl,-rpath,$(libdir) -lm
 
 # Installer
 INSTALL = install