diff --git a/Makefile b/Makefile
index 2078311..57ff7b7 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,7 @@ ALL_TOOLS = $(PXCHAINS)
 
 
 CFLAGS+=$(USER_CFLAGS) $(MAC_CFLAGS)
-CFLAGS_MAIN=-DLIB_DIR=\"$(libdir)\" -DINSTALL_PREFIX=\"$(prefix)\" -DDLL_NAME=\"$(LDSO_PATHNAME)\"
+CFLAGS_MAIN=-DLIB_DIR=\"$(libdir)\" -DSYSCONFDIR=\"$(sysconfdir)\" -DDLL_NAME=\"$(LDSO_PATHNAME)\"
 
 
 all: $(ALL_LIBS) $(ALL_TOOLS)
diff --git a/src/main.c b/src/main.c
index 6f3c0f0..7e3b8f0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -121,8 +121,8 @@ int main(int argc, char *argv[]) {
 		if(check_path(path))
 			goto have;
 
-		// priority 4: $INSTALL_PREFIX/etc/proxychains.conf
-		path = INSTALL_PREFIX "/etc/" PROXYCHAINS_CONF_FILE;
+		// priority 4: $SYSCONFDIR/proxychains.conf
+		path = SYSCONFDIR "/" PROXYCHAINS_CONF_FILE;
 		if(check_path(path))
 			goto have;