diff --git a/package/gdb/gdb.mk b/package/gdb/gdb.mk
index 05de3c14d1..9bde2beea1 100644
--- a/package/gdb/gdb.mk
+++ b/package/gdb/gdb.mk
@@ -77,14 +77,6 @@ ifeq ($(BR2_GDB_VERSION_11),y)
 HOST_GDB_DEPENDENCIES += host-gmp
 endif
 
-# When BR2_GDB_VERSION_11=y (because it's enabled for the host) and
-# we're building the full gdb for the target, we need gmp as a
-# dependency. For now the default gdb version in Buildroot doesn't
-# require gmp.
-ifeq ($(BR2_GDB_VERSION_11)$(BR2_PACKAGE_GDB_DEBUGGER),yy)
-GDB_DEPENDENCIES += gmp
-endif
-
 # When gdb sources are fetched from the binutils-gdb repository, they
 # also contain the binutils sources, but binutils shouldn't be built,
 # so we disable it (additionally the option --disable-install-libbfd
@@ -169,6 +161,16 @@ GDB_CONF_OPTS += \
 	--without-curses
 endif
 
+# When BR2_GDB_VERSION_11=y (because it's enabled for the host) and
+# we're building the full gdb for the target, we need gmp as a
+# dependency. For now the default gdb version in Buildroot doesn't
+# require gmp.
+ifeq ($(BR2_GDB_VERSION_11)$(BR2_PACKAGE_GDB_DEBUGGER),yy)
+GDB_CONF_OPTS += \
+	--with-libgmp-prefix=$(STAGING_DIR)/usr
+GDB_DEPENDENCIES += gmp
+endif
+
 ifeq ($(BR2_PACKAGE_GDB_SERVER),y)
 GDB_CONF_OPTS += --enable-gdbserver
 GDB_DEPENDENCIES += $(TARGET_NLS_DEPENDENCIES)