diff --git a/libnm-glib/Makefile.am b/libnm-glib/Makefile.am
index 5dfb3acf91..0c4b77adee 100644
--- a/libnm-glib/Makefile.am
+++ b/libnm-glib/Makefile.am
@@ -221,7 +221,7 @@ NMClient_1_0_gir_EXPORT_PACKAGES = libnm-glib libnm-glib-vpn
 NMClient_1_0_gir_CFLAGS = $(INCLUDES) -I$(top_srcdir)/libnm-glib -I$(top_srcdir)/libnm-util
 NMClient_1_0_gir_LIBS = libnm-glib.la
 NMClient_1_0_gir_FILES = $(introspection_sources)
-NMClient_1_0_gir_SCANNERFLAGS = --warn-all --identifier-prefix=NM --symbol-prefix=nm_ --include-uninstalled=$(top_builddir)/libnm-util/NetworkManager-1.0.gir
+NMClient_1_0_gir_SCANNERFLAGS = --warn-all --identifier-prefix=NM --symbol-prefix=nm --include-uninstalled=$(top_builddir)/libnm-util/NetworkManager-1.0.gir
 INTROSPECTION_GIRS += NMClient-1.0.gir
 
 girdir = $(datadir)/gir-1.0
diff --git a/libnm-util/Makefile.am b/libnm-util/Makefile.am
index 680681e227..76acd99fcf 100644
--- a/libnm-util/Makefile.am
+++ b/libnm-util/Makefile.am
@@ -153,7 +153,7 @@ NetworkManager_1_0_gir_EXPORT_PACKAGES = libnm-util
 NetworkManager_1_0_gir_CFLAGS = $(INCLUDES) -I$(top_srcdir)/libnm-util
 NetworkManager_1_0_gir_LIBS = libnm-util.la
 NetworkManager_1_0_gir_FILES = $(introspection_sources)
-NetworkManager_1_0_gir_SCANNERFLAGS = --warn-all --identifier-prefix=NM --symbol-prefix=nm_
+NetworkManager_1_0_gir_SCANNERFLAGS = --warn-all --identifier-prefix=NM --symbol-prefix=nm
 INTROSPECTION_GIRS += NetworkManager-1.0.gir
 
 girdir = $(datadir)/gir-1.0