diff --git a/math/R/Makefile b/math/R/Makefile
index 57e213e..9215d48 100644
--- a/math/R/Makefile
+++ b/math/R/Makefile
@@ -131,7 +131,9 @@ USE_LDCONFIG=		${PREFIX}/lib/R/lib
 .endif
 
 post-patch:
-	@${REINPLACE_CMD} -e "s|/usr/local|${LOCALBASE}|g" ${WRKSRC}/configure
+	@${REINPLACE_CMD} -e "s|/usr/local|${LOCALBASE}|g" \
+		-e 's|LIBR_LDFLAGS=""|LIBR_LDFLAGS="-Wl,-soname,libR.so.${PORTVERSION:R:R}"|' \
+			${WRKSRC}/configure
 
 ## TODO: Add missing soname and soversion to shared libraries
 post-install: