diff --git a/src/Makefile.in b/src/Makefile.in
index 0f5d9e51e..915ea0ee6 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -32,7 +32,7 @@ EFLAGS += -pa .
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-  EFLAGS+=+debug_info
+  EFLAGS+=+debug_info +export_all
 endif
 
 ifdef ejabberd_debug
diff --git a/src/ejabberd_zlib/Makefile.in b/src/ejabberd_zlib/Makefile.in
index 1f1e88460..a4c20c344 100644
--- a/src/ejabberd_zlib/Makefile.in
+++ b/src/ejabberd_zlib/Makefile.in
@@ -26,7 +26,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 ERLSHLIBS = ../ejabberd_zlib_drv.so
diff --git a/src/eldap/Makefile.in b/src/eldap/Makefile.in
index 3291f17c4..94c9e23cb 100644
--- a/src/eldap/Makefile.in
+++ b/src/eldap/Makefile.in
@@ -16,7 +16,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 OUTDIR = ..
diff --git a/src/mod_muc/Makefile.in b/src/mod_muc/Makefile.in
index 4d0fa11e0..8de962622 100644
--- a/src/mod_muc/Makefile.in
+++ b/src/mod_muc/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 ifeq (@transient_supervisors@, false)
diff --git a/src/mod_proxy65/Makefile.in b/src/mod_proxy65/Makefile.in
index 4e6f6480d..063cab767 100644
--- a/src/mod_proxy65/Makefile.in
+++ b/src/mod_proxy65/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 OUTDIR = ..
diff --git a/src/mod_pubsub/Makefile.in b/src/mod_pubsub/Makefile.in
index 846355457..335e29800 100644
--- a/src/mod_pubsub/Makefile.in
+++ b/src/mod_pubsub/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 OUTDIR = ..
diff --git a/src/odbc/Makefile.in b/src/odbc/Makefile.in
index adc0a3455..f5bac4ec6 100644
--- a/src/odbc/Makefile.in
+++ b/src/odbc/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 OUTDIR = ..
diff --git a/src/pam/Makefile.in b/src/pam/Makefile.in
index 83e6301db..c343818cf 100644
--- a/src/pam/Makefile.in
+++ b/src/pam/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 ERLSHLIBS = ../epam
diff --git a/src/stun/Makefile.in b/src/stun/Makefile.in
index fd41613d5..c7ac423cf 100644
--- a/src/stun/Makefile.in
+++ b/src/stun/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 OUTDIR = ..
diff --git a/src/tls/Makefile.in b/src/tls/Makefile.in
index 855ead584..0622d36f2 100644
--- a/src/tls/Makefile.in
+++ b/src/tls/Makefile.in
@@ -26,7 +26,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 ERLSHLIBS = ../tls_drv.so
diff --git a/src/web/Makefile.in b/src/web/Makefile.in
index ee25cf90b..466f5e82e 100644
--- a/src/web/Makefile.in
+++ b/src/web/Makefile.in
@@ -14,7 +14,7 @@ EFLAGS += -pz ..
 
 # make debug=true to compile Erlang module with debug informations.
 ifdef debug
-	EFLAGS+=+debug_info
+	EFLAGS+=+debug_info +export_all
 endif
 
 SOURCES = $(wildcard *.erl)