diff --git a/bsd-user/main.c b/bsd-user/main.c
index 05cc3d92b7dc6aebca6177bcb50132307fb1c3af..aff9f13b189ebdf81ff721351b4d147e4b429cf3 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -43,7 +43,7 @@ unsigned long guest_base;
 int have_guest_base;
 #endif
 
-static const char *interp_prefix = CONFIG_QEMU_PREFIX;
+static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
 extern char **environ;
 enum BSDType bsd_type;
diff --git a/configure b/configure
index f7b0a6dc920067d527d0f8e594f0d896d19721c2..6f282a3d0d68f6e01977db19f35eb4f18f0d2479 100755
--- a/configure
+++ b/configure
@@ -2430,7 +2430,7 @@ echo "# Automatically generated by configure - do not modify" > $config_target_m
 bflt="no"
 target_nptl="no"
 interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_arch2/g"`
-echo "CONFIG_QEMU_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
+echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
 gdb_xml_files=""
 
 TARGET_ARCH="$target_arch2"
diff --git a/linux-user/main.c b/linux-user/main.c
index ad292f16e449dface1c9820a6c1100b6d13ff123..403c8d3b96455ded15e9355fd94c21b7880a0e68 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -47,7 +47,7 @@ int have_guest_base;
 unsigned long reserved_va;
 #endif
 
-static const char *interp_prefix = CONFIG_QEMU_PREFIX;
+static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
 
 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so