diff --git a/tests/project.conf b/tests/project.conf
index f379935..50cc2cc 100644
--- a/tests/project.conf
+++ b/tests/project.conf
@@ -28,7 +28,7 @@ depends=$(OBJDIR)../src/modems/hayes.o,../config.h
 [modems]
 type=binary
 cflags=`pkg-config --cflags libDesktop`
-ldflags=`pkg-config --libs libDesktop`
+ldflags=`pkg-config --libs libDesktop` -ldl
 sources=modems.c
 
 [oss]
@@ -53,7 +53,7 @@ depends=$(OBJDIR)../src/modems/hayes.o
 [plugins]
 type=binary
 cflags=`pkg-config --cflags libDesktop`
-ldflags=`pkg-config --libs libDesktop`
+ldflags=`pkg-config --libs libDesktop` -ldl
 sources=plugins.c
 
 [tests.log]