diff --git a/src/modems/Makefile b/src/modems/Makefile
index da3e781..3e6ddfd 100644
--- a/src/modems/Makefile
+++ b/src/modems/Makefile
@@ -21,7 +21,7 @@ all: $(TARGETS)
 
 debug_OBJS = debug.o
 debug_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS) `pkg-config --cflags gtk+-2.0 libSystem`
-debug_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
+debug_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) `pkg-config --libs gtk+-2.0 libSystem`
 
 debug.so: $(debug_OBJS)
 	$(CCSHARED) -o debug.so $(debug_OBJS) $(debug_LDFLAGS)
diff --git a/src/modems/project.conf b/src/modems/project.conf
index 8235302..ed1c3e9 100644
--- a/src/modems/project.conf
+++ b/src/modems/project.conf
@@ -10,6 +10,7 @@ dist=Makefile,osmocom.c
 type=plugin
 sources=debug.c
 cflags=`pkg-config --cflags gtk+-2.0 libSystem`
+ldflags=`pkg-config --libs gtk+-2.0 libSystem`
 install=$(LIBDIR)/Phone/modem
 
 [hayes]